Home / 154,610.40-231,780.60-59,905.20

Finding the Fourth Proportional to 154,610.40, 231,780.60 and 59,905.20

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Solution

The fourth proportional to 154,610.40, 231,780.60 and 59,905.20 is: 89,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,610.40 : 231,780.60 = 59,905.20 : x
  2. Step 2: Convert to fraction form
    154,610.40/231,780.60 = 59,905.20/x
  3. Step 3: Cross multiply
    154,610.40x = 231,780.60 × 59,905.20
  4. Step 4: Simplify right side
    154,610.40x = 13,884,863,199.12
  5. Step 5: Solve for x
    x = 13,884,863,199.12/154,610.40
  6. Step 6: Final answer
    x = 89,805.49

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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.