Home / 140,008.20-193,125.42-89,619.72

Finding the Fourth Proportional to 140,008.20, 193,125.42 and 89,619.72

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Solution

The fourth proportional to 140,008.20, 193,125.42 and 89,619.72 is: 123,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,008.20 : 193,125.42 = 89,619.72 : x
  2. Step 2: Convert to fraction form
    140,008.20/193,125.42 = 89,619.72/x
  3. Step 3: Cross multiply
    140,008.20x = 193,125.42 × 89,619.72
  4. Step 4: Simplify right side
    140,008.20x = 17,307,846,065.28
  5. Step 5: Solve for x
    x = 17,307,846,065.28/140,008.20
  6. Step 6: Final answer
    x = 123,620.23

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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.