Home / 136,501.20-205,189.20-97,329.60

Finding the Fourth Proportional to 136,501.20, 205,189.20 and 97,329.60

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Solution

The fourth proportional to 136,501.20, 205,189.20 and 97,329.60 is: 146,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,501.20 : 205,189.20 = 97,329.60 : x
  2. Step 2: Convert to fraction form
    136,501.20/205,189.20 = 97,329.60/x
  3. Step 3: Cross multiply
    136,501.20x = 205,189.20 × 97,329.60
  4. Step 4: Simplify right side
    136,501.20x = 19,970,982,760.32
  5. Step 5: Solve for x
    x = 19,970,982,760.32/136,501.20
  6. Step 6: Final answer
    x = 146,306.28

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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.