Home / 144,743.40-217,038.30-51,252.20

Finding the Fourth Proportional to 144,743.40, 217,038.30 and 51,252.20

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Solution

The fourth proportional to 144,743.40, 217,038.30 and 51,252.20 is: 76,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.40 : 217,038.30 = 51,252.20 : x
  2. Step 2: Convert to fraction form
    144,743.40/217,038.30 = 51,252.20/x
  3. Step 3: Cross multiply
    144,743.40x = 217,038.30 × 51,252.20
  4. Step 4: Simplify right side
    144,743.40x = 11,123,690,359.26
  5. Step 5: Solve for x
    x = 11,123,690,359.26/144,743.40
  6. Step 6: Final answer
    x = 76,851.11

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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.