Home / 154,034.48-231,058.20-75,218.24

Finding the Fourth Proportional to 154,034.48, 231,058.20 and 75,218.24

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Solution

The fourth proportional to 154,034.48, 231,058.20 and 75,218.24 is: 112,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.48 : 231,058.20 = 75,218.24 : x
  2. Step 2: Convert to fraction form
    154,034.48/231,058.20 = 75,218.24/x
  3. Step 3: Cross multiply
    154,034.48x = 231,058.20 × 75,218.24
  4. Step 4: Simplify right side
    154,034.48x = 17,379,791,141.57
  5. Step 5: Solve for x
    x = 17,379,791,141.57/154,034.48
  6. Step 6: Final answer
    x = 112,830.52

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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.