Home / 293,132.18-439,715.28-82,752.50

Finding the Fourth Proportional to 293,132.18, 439,715.28 and 82,752.50

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Solution

The fourth proportional to 293,132.18, 439,715.28 and 82,752.50 is: 124,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,132.18 : 439,715.28 = 82,752.50 : x
  2. Step 2: Convert to fraction form
    293,132.18/439,715.28 = 82,752.50/x
  3. Step 3: Cross multiply
    293,132.18x = 439,715.28 × 82,752.50
  4. Step 4: Simplify right side
    293,132.18x = 36,387,538,708.20
  5. Step 5: Solve for x
    x = 36,387,538,708.20/293,132.18
  6. Step 6: Final answer
    x = 124,133.55

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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.