Home / 207,350-286,177.56-156,961.52

Finding the Fourth Proportional to 207,350, 286,177.56 and 156,961.52

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Solution

The fourth proportional to 207,350, 286,177.56 and 156,961.52 is: 216,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,350 : 286,177.56 = 156,961.52 : x
  2. Step 2: Convert to fraction form
    207,350/286,177.56 = 156,961.52/x
  3. Step 3: Cross multiply
    207,350x = 286,177.56 × 156,961.52
  4. Step 4: Simplify right side
    207,350x = 44,918,864,807.49
  5. Step 5: Solve for x
    x = 44,918,864,807.49/207,350
  6. Step 6: Final answer
    x = 216,633.06

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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.