Home / 153,956.20-230,819.10-83,914.60

Finding the Fourth Proportional to 153,956.20, 230,819.10 and 83,914.60

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Solution

The fourth proportional to 153,956.20, 230,819.10 and 83,914.60 is: 125,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,956.20 : 230,819.10 = 83,914.60 : x
  2. Step 2: Convert to fraction form
    153,956.20/230,819.10 = 83,914.60/x
  3. Step 3: Cross multiply
    153,956.20x = 230,819.10 × 83,914.60
  4. Step 4: Simplify right side
    153,956.20x = 19,369,092,448.86
  5. Step 5: Solve for x
    x = 19,369,092,448.86/153,956.20
  6. Step 6: Final answer
    x = 125,809.11

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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.