Home / 261,433,109.25-360,777,689.96-143,958,159.63

Finding the Fourth Proportional to 261,433,109.25, 360,777,689.96 and 143,958,159.63

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Solution

The fourth proportional to 261,433,109.25, 360,777,689.96 and 143,958,159.63 is: 198,662,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,433,109.25 : 360,777,689.96 = 143,958,159.63 : x
  2. Step 2: Convert to fraction form
    261,433,109.25/360,777,689.96 = 143,958,159.63/x
  3. Step 3: Cross multiply
    261,433,109.25x = 360,777,689.96 × 143,958,159.63
  4. Step 4: Simplify right side
    261,433,109.25x = 51,936,892,281,484,536
  5. Step 5: Solve for x
    x = 51,936,892,281,484,536/261,433,109.25
  6. Step 6: Final answer
    x = 198,662,259.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.