Home / 453,491.15-680,001.42-133,601.50

Finding the Fourth Proportional to 453,491.15, 680,001.42 and 133,601.50

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Solution

The fourth proportional to 453,491.15, 680,001.42 and 133,601.50 is: 200,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,491.15 : 680,001.42 = 133,601.50 : x
  2. Step 2: Convert to fraction form
    453,491.15/680,001.42 = 133,601.50/x
  3. Step 3: Cross multiply
    453,491.15x = 680,001.42 × 133,601.50
  4. Step 4: Simplify right side
    453,491.15x = 90,849,209,714.13
  5. Step 5: Solve for x
    x = 90,849,209,714.13/453,491.15
  6. Step 6: Final answer
    x = 200,332.93

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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.