Home / 113,439.40-170,159.10-95,724.70

Finding the Fourth Proportional to 113,439.40, 170,159.10 and 95,724.70

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Solution

The fourth proportional to 113,439.40, 170,159.10 and 95,724.70 is: 143,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,439.40 : 170,159.10 = 95,724.70 : x
  2. Step 2: Convert to fraction form
    113,439.40/170,159.10 = 95,724.70/x
  3. Step 3: Cross multiply
    113,439.40x = 170,159.10 × 95,724.70
  4. Step 4: Simplify right side
    113,439.40x = 16,288,428,799.77
  5. Step 5: Solve for x
    x = 16,288,428,799.77/113,439.40
  6. Step 6: Final answer
    x = 143,587.05

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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.