Home / 160,476.40-240,520.20-71,635.60

Finding the Fourth Proportional to 160,476.40, 240,520.20 and 71,635.60

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Solution

The fourth proportional to 160,476.40, 240,520.20 and 71,635.60 is: 107,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,476.40 : 240,520.20 = 71,635.60 : x
  2. Step 2: Convert to fraction form
    160,476.40/240,520.20 = 71,635.60/x
  3. Step 3: Cross multiply
    160,476.40x = 240,520.20 × 71,635.60
  4. Step 4: Simplify right side
    160,476.40x = 17,229,808,839.12
  5. Step 5: Solve for x
    x = 17,229,808,839.12/160,476.40
  6. Step 6: Final answer
    x = 107,366.62

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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.