Home / 151,320.80-226,981.20-51,593.60

Finding the Fourth Proportional to 151,320.80, 226,981.20 and 51,593.60

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Solution

The fourth proportional to 151,320.80, 226,981.20 and 51,593.60 is: 77,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,320.80 : 226,981.20 = 51,593.60 : x
  2. Step 2: Convert to fraction form
    151,320.80/226,981.20 = 51,593.60/x
  3. Step 3: Cross multiply
    151,320.80x = 226,981.20 × 51,593.60
  4. Step 4: Simplify right side
    151,320.80x = 11,710,777,240.32
  5. Step 5: Solve for x
    x = 11,710,777,240.32/151,320.80
  6. Step 6: Final answer
    x = 77,390.40

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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.