Home / 207,704.10-286,632.78-117,061.50

Finding the Fourth Proportional to 207,704.10, 286,632.78 and 117,061.50

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Solution

The fourth proportional to 207,704.10, 286,632.78 and 117,061.50 is: 161,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,704.10 : 286,632.78 = 117,061.50 : x
  2. Step 2: Convert to fraction form
    207,704.10/286,632.78 = 117,061.50/x
  3. Step 3: Cross multiply
    207,704.10x = 286,632.78 × 117,061.50
  4. Step 4: Simplify right side
    207,704.10x = 33,553,663,175.97
  5. Step 5: Solve for x
    x = 33,553,663,175.97/207,704.10
  6. Step 6: Final answer
    x = 161,545.50

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1.5x scale

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.