Home / 146,534.40-220,060.80-113,335.20

Finding the Fourth Proportional to 146,534.40, 220,060.80 and 113,335.20

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Solution

The fourth proportional to 146,534.40, 220,060.80 and 113,335.20 is: 170,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,534.40 : 220,060.80 = 113,335.20 : x
  2. Step 2: Convert to fraction form
    146,534.40/220,060.80 = 113,335.20/x
  3. Step 3: Cross multiply
    146,534.40x = 220,060.80 × 113,335.20
  4. Step 4: Simplify right side
    146,534.40x = 24,940,634,780.16
  5. Step 5: Solve for x
    x = 24,940,634,780.16/146,534.40
  6. Step 6: Final answer
    x = 170,203.28

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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.