Home / 129,441.78-194,184.81-59,327.10

Finding the Fourth Proportional to 129,441.78, 194,184.81 and 59,327.10

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Solution

The fourth proportional to 129,441.78, 194,184.81 and 59,327.10 is: 89,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,441.78 : 194,184.81 = 59,327.10 : x
  2. Step 2: Convert to fraction form
    129,441.78/194,184.81 = 59,327.10/x
  3. Step 3: Cross multiply
    129,441.78x = 194,184.81 × 59,327.10
  4. Step 4: Simplify right side
    129,441.78x = 11,520,421,641.35
  5. Step 5: Solve for x
    x = 11,520,421,641.35/129,441.78
  6. Step 6: Final answer
    x = 89,000.80

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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.