Home / 261,361.28-360,259.44-176,330.72

Finding the Fourth Proportional to 261,361.28, 360,259.44 and 176,330.72

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Solution

The fourth proportional to 261,361.28, 360,259.44 and 176,330.72 is: 243,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,361.28 : 360,259.44 = 176,330.72 : x
  2. Step 2: Convert to fraction form
    261,361.28/360,259.44 = 176,330.72/x
  3. Step 3: Cross multiply
    261,361.28x = 360,259.44 × 176,330.72
  4. Step 4: Simplify right side
    261,361.28x = 63,524,806,442.00
  5. Step 5: Solve for x
    x = 63,524,806,442.00/261,361.28
  6. Step 6: Final answer
    x = 243,053.62

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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.