Home / 129,510.28-194,129.34-59,331.88

Finding the Fourth Proportional to 129,510.28, 194,129.34 and 59,331.88

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Solution

The fourth proportional to 129,510.28, 194,129.34 and 59,331.88 is: 88,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,510.28 : 194,129.34 = 59,331.88 : x
  2. Step 2: Convert to fraction form
    129,510.28/194,129.34 = 59,331.88/x
  3. Step 3: Cross multiply
    129,510.28x = 194,129.34 × 59,331.88
  4. Step 4: Simplify right side
    129,510.28x = 11,518,058,705.36
  5. Step 5: Solve for x
    x = 11,518,058,705.36/129,510.28
  6. Step 6: Final answer
    x = 88,935.48

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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.