Home / 154,617.60-232,003.20-61,126.40

Finding the Fourth Proportional to 154,617.60, 232,003.20 and 61,126.40

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Solution

The fourth proportional to 154,617.60, 232,003.20 and 61,126.40 is: 91,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,617.60 : 232,003.20 = 61,126.40 : x
  2. Step 2: Convert to fraction form
    154,617.60/232,003.20 = 61,126.40/x
  3. Step 3: Cross multiply
    154,617.60x = 232,003.20 × 61,126.40
  4. Step 4: Simplify right side
    154,617.60x = 14,181,520,404.48
  5. Step 5: Solve for x
    x = 14,181,520,404.48/154,617.60
  6. Step 6: Final answer
    x = 91,719.96

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1.5x scale

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.