Home / 140,447.24-193,686.90-89,406.75

Finding the Fourth Proportional to 140,447.24, 193,686.90 and 89,406.75

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Solution

The fourth proportional to 140,447.24, 193,686.90 and 89,406.75 is: 123,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,447.24 : 193,686.90 = 89,406.75 : x
  2. Step 2: Convert to fraction form
    140,447.24/193,686.90 = 89,406.75/x
  3. Step 3: Cross multiply
    140,447.24x = 193,686.90 × 89,406.75
  4. Step 4: Simplify right side
    140,447.24x = 17,316,916,246.58
  5. Step 5: Solve for x
    x = 17,316,916,246.58/140,447.24
  6. Step 6: Final answer
    x = 123,298.38

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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.