Home / 453,764.17-680,487.51-133,831.15

Finding the Fourth Proportional to 453,764.17, 680,487.51 and 133,831.15

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Solution

The fourth proportional to 453,764.17, 680,487.51 and 133,831.15 is: 200,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,764.17 : 680,487.51 = 133,831.15 : x
  2. Step 2: Convert to fraction form
    453,764.17/680,487.51 = 133,831.15/x
  3. Step 3: Cross multiply
    453,764.17x = 680,487.51 × 133,831.15
  4. Step 4: Simplify right side
    453,764.17x = 91,070,426,023.94
  5. Step 5: Solve for x
    x = 91,070,426,023.94/453,764.17
  6. Step 6: Final answer
    x = 200,699.91

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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.