Home / 129,641.50-194,495.06-36,147.25

Finding the Fourth Proportional to 129,641.50, 194,495.06 and 36,147.25

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Solution

The fourth proportional to 129,641.50, 194,495.06 and 36,147.25 is: 54,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,641.50 : 194,495.06 = 36,147.25 : x
  2. Step 2: Convert to fraction form
    129,641.50/194,495.06 = 36,147.25/x
  3. Step 3: Cross multiply
    129,641.50x = 194,495.06 × 36,147.25
  4. Step 4: Simplify right side
    129,641.50x = 7,030,461,557.59
  5. Step 5: Solve for x
    x = 7,030,461,557.59/129,641.50
  6. Step 6: Final answer
    x = 54,230.02

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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.