Home / 129,549.56-194,331.29-40,810.01

Finding the Fourth Proportional to 129,549.56, 194,331.29 and 40,810.01

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Solution

The fourth proportional to 129,549.56, 194,331.29 and 40,810.01 is: 61,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,549.56 : 194,331.29 = 40,810.01 : x
  2. Step 2: Convert to fraction form
    129,549.56/194,331.29 = 40,810.01/x
  3. Step 3: Cross multiply
    129,549.56x = 194,331.29 × 40,810.01
  4. Step 4: Simplify right side
    129,549.56x = 7,930,660,712.51
  5. Step 5: Solve for x
    x = 7,930,660,712.51/129,549.56
  6. Step 6: Final answer
    x = 61,217.20

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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.