Home / 240,023.04-331,251.60-138,081.60

Finding the Fourth Proportional to 240,023.04, 331,251.60 and 138,081.60

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Solution

The fourth proportional to 240,023.04, 331,251.60 and 138,081.60 is: 190,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,023.04 : 331,251.60 = 138,081.60 : x
  2. Step 2: Convert to fraction form
    240,023.04/331,251.60 = 138,081.60/x
  3. Step 3: Cross multiply
    240,023.04x = 331,251.60 × 138,081.60
  4. Step 4: Simplify right side
    240,023.04x = 45,739,750,930.56
  5. Step 5: Solve for x
    x = 45,739,750,930.56/240,023.04
  6. Step 6: Final answer
    x = 190,564.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.