Home / 115,331.04-159,156.96-67,574.88

Finding the Fourth Proportional to 115,331.04, 159,156.96 and 67,574.88

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Solution

The fourth proportional to 115,331.04, 159,156.96 and 67,574.88 is: 93,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,331.04 : 159,156.96 = 67,574.88 : x
  2. Step 2: Convert to fraction form
    115,331.04/159,156.96 = 67,574.88/x
  3. Step 3: Cross multiply
    115,331.04x = 159,156.96 × 67,574.88
  4. Step 4: Simplify right side
    115,331.04x = 10,755,012,473.16
  5. Step 5: Solve for x
    x = 10,755,012,473.16/115,331.04
  6. Step 6: Final answer
    x = 93,253.41

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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.