Home / 138,785.64-191,616.68-93,530.92

Finding the Fourth Proportional to 138,785.64, 191,616.68 and 93,530.92

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Solution

The fourth proportional to 138,785.64, 191,616.68 and 93,530.92 is: 129,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,785.64 : 191,616.68 = 93,530.92 : x
  2. Step 2: Convert to fraction form
    138,785.64/191,616.68 = 93,530.92/x
  3. Step 3: Cross multiply
    138,785.64x = 191,616.68 × 93,530.92
  4. Step 4: Simplify right side
    138,785.64x = 17,922,084,367.75
  5. Step 5: Solve for x
    x = 17,922,084,367.75/138,785.64
  6. Step 6: Final answer
    x = 129,135.01

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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.