Home / 144,902.90-217,419.15-51,475.70

Finding the Fourth Proportional to 144,902.90, 217,419.15 and 51,475.70

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Solution

The fourth proportional to 144,902.90, 217,419.15 and 51,475.70 is: 77,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,902.90 : 217,419.15 = 51,475.70 : x
  2. Step 2: Convert to fraction form
    144,902.90/217,419.15 = 51,475.70/x
  3. Step 3: Cross multiply
    144,902.90x = 217,419.15 × 51,475.70
  4. Step 4: Simplify right side
    144,902.90x = 11,191,802,939.66
  5. Step 5: Solve for x
    x = 11,191,802,939.66/144,902.90
  6. Step 6: Final answer
    x = 77,236.57

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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.