Home / 261,135.63-360,340.04-153,699.26

Finding the Fourth Proportional to 261,135.63, 360,340.04 and 153,699.26

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Solution

The fourth proportional to 261,135.63, 360,340.04 and 153,699.26 is: 212,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,135.63 : 360,340.04 = 153,699.26 : x
  2. Step 2: Convert to fraction form
    261,135.63/360,340.04 = 153,699.26/x
  3. Step 3: Cross multiply
    261,135.63x = 360,340.04 × 153,699.26
  4. Step 4: Simplify right side
    261,135.63x = 55,383,997,496.37
  5. Step 5: Solve for x
    x = 55,383,997,496.37/261,135.63
  6. Step 6: Final answer
    x = 212,089.01

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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.