Home / 357,042.24-535,571.10-129,358.17

Finding the Fourth Proportional to 357,042.24, 535,571.10 and 129,358.17

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Solution

The fourth proportional to 357,042.24, 535,571.10 and 129,358.17 is: 194,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,042.24 : 535,571.10 = 129,358.17 : x
  2. Step 2: Convert to fraction form
    357,042.24/535,571.10 = 129,358.17/x
  3. Step 3: Cross multiply
    357,042.24x = 535,571.10 × 129,358.17
  4. Step 4: Simplify right side
    357,042.24x = 69,280,497,400.89
  5. Step 5: Solve for x
    x = 69,280,497,400.89/357,042.24
  6. Step 6: Final answer
    x = 194,040.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.