Home / 140,248.92-193,557.51-83,660.29

Finding the Fourth Proportional to 140,248.92, 193,557.51 and 83,660.29

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Solution

The fourth proportional to 140,248.92, 193,557.51 and 83,660.29 is: 115,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.92 : 193,557.51 = 83,660.29 : x
  2. Step 2: Convert to fraction form
    140,248.92/193,557.51 = 83,660.29/x
  3. Step 3: Cross multiply
    140,248.92x = 193,557.51 × 83,660.29
  4. Step 4: Simplify right side
    140,248.92x = 16,193,077,660.22
  5. Step 5: Solve for x
    x = 16,193,077,660.22/140,248.92
  6. Step 6: Final answer
    x = 115,459.56

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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.