Home / 129,916.72-194,962.56-58,858.66

Finding the Fourth Proportional to 129,916.72, 194,962.56 and 58,858.66

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Solution

The fourth proportional to 129,916.72, 194,962.56 and 58,858.66 is: 88,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.72 : 194,962.56 = 58,858.66 : x
  2. Step 2: Convert to fraction form
    129,916.72/194,962.56 = 58,858.66/x
  3. Step 3: Cross multiply
    129,916.72x = 194,962.56 × 58,858.66
  4. Step 4: Simplify right side
    129,916.72x = 11,475,235,031.77
  5. Step 5: Solve for x
    x = 11,475,235,031.77/129,916.72
  6. Step 6: Final answer
    x = 88,327.62

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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.