Home / 136,545.20-204,817.80-57,748.40

Finding the Fourth Proportional to 136,545.20, 204,817.80 and 57,748.40

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Solution

The fourth proportional to 136,545.20, 204,817.80 and 57,748.40 is: 86,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,545.20 : 204,817.80 = 57,748.40 : x
  2. Step 2: Convert to fraction form
    136,545.20/204,817.80 = 57,748.40/x
  3. Step 3: Cross multiply
    136,545.20x = 204,817.80 × 57,748.40
  4. Step 4: Simplify right side
    136,545.20x = 11,827,900,241.52
  5. Step 5: Solve for x
    x = 11,827,900,241.52/136,545.20
  6. Step 6: Final answer
    x = 86,622.60

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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.