Home / 113,451.50-170,157.19-42,358.18

Finding the Fourth Proportional to 113,451.50, 170,157.19 and 42,358.18

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Solution

The fourth proportional to 113,451.50, 170,157.19 and 42,358.18 is: 63,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,451.50 : 170,157.19 = 42,358.18 : x
  2. Step 2: Convert to fraction form
    113,451.50/170,157.19 = 42,358.18/x
  3. Step 3: Cross multiply
    113,451.50x = 170,157.19 × 42,358.18
  4. Step 4: Simplify right side
    113,451.50x = 7,207,548,882.31
  5. Step 5: Solve for x
    x = 7,207,548,882.31/113,451.50
  6. Step 6: Final answer
    x = 63,529.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.