Home / 129,897.18-194,858.19-36,402.66

Finding the Fourth Proportional to 129,897.18, 194,858.19 and 36,402.66

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Solution

The fourth proportional to 129,897.18, 194,858.19 and 36,402.66 is: 54,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,897.18 : 194,858.19 = 36,402.66 : x
  2. Step 2: Convert to fraction form
    129,897.18/194,858.19 = 36,402.66/x
  3. Step 3: Cross multiply
    129,897.18x = 194,858.19 × 36,402.66
  4. Step 4: Simplify right side
    129,897.18x = 7,093,356,438.79
  5. Step 5: Solve for x
    x = 7,093,356,438.79/129,897.18
  6. Step 6: Final answer
    x = 54,607.47

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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.