Home / 207,700.38-286,626.52-117,059.66

Finding the Fourth Proportional to 207,700.38, 286,626.52 and 117,059.66

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Solution

The fourth proportional to 207,700.38, 286,626.52 and 117,059.66 is: 161,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,700.38 : 286,626.52 = 117,059.66 : x
  2. Step 2: Convert to fraction form
    207,700.38/286,626.52 = 117,059.66/x
  3. Step 3: Cross multiply
    207,700.38x = 286,626.52 × 117,059.66
  4. Step 4: Simplify right side
    207,700.38x = 33,552,402,978.18
  5. Step 5: Solve for x
    x = 33,552,402,978.18/207,700.38
  6. Step 6: Final answer
    x = 161,542.33

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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.