Home / 207,117.10-285,829.82-116,472.61

Finding the Fourth Proportional to 207,117.10, 285,829.82 and 116,472.61

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Solution

The fourth proportional to 207,117.10, 285,829.82 and 116,472.61 is: 160,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,117.10 : 285,829.82 = 116,472.61 : x
  2. Step 2: Convert to fraction form
    207,117.10/285,829.82 = 116,472.61/x
  3. Step 3: Cross multiply
    207,117.10x = 285,829.82 × 116,472.61
  4. Step 4: Simplify right side
    207,117.10x = 33,291,345,151.23
  5. Step 5: Solve for x
    x = 33,291,345,151.23/207,117.10
  6. Step 6: Final answer
    x = 160,736.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.