Home / 207,326.92-286,150.30-129,838.56

Finding the Fourth Proportional to 207,326.92, 286,150.30 and 129,838.56

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Solution

The fourth proportional to 207,326.92, 286,150.30 and 129,838.56 is: 179,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,326.92 : 286,150.30 = 129,838.56 : x
  2. Step 2: Convert to fraction form
    207,326.92/286,150.30 = 129,838.56/x
  3. Step 3: Cross multiply
    207,326.92x = 286,150.30 × 129,838.56
  4. Step 4: Simplify right side
    207,326.92x = 37,153,342,895.57
  5. Step 5: Solve for x
    x = 37,153,342,895.57/207,326.92
  6. Step 6: Final answer
    x = 179,201.73

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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.