Home / 453,632.46-680,547.09-138,081.16

Finding the Fourth Proportional to 453,632.46, 680,547.09 and 138,081.16

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Solution

The fourth proportional to 453,632.46, 680,547.09 and 138,081.16 is: 207,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,632.46 : 680,547.09 = 138,081.16 : x
  2. Step 2: Convert to fraction form
    453,632.46/680,547.09 = 138,081.16/x
  3. Step 3: Cross multiply
    453,632.46x = 680,547.09 × 138,081.16
  4. Step 4: Simplify right side
    453,632.46x = 93,970,731,621.82
  5. Step 5: Solve for x
    x = 93,970,731,621.82/453,632.46
  6. Step 6: Final answer
    x = 207,151.69

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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.