Home / 154,416.38-231,187.64-98,116.92

Finding the Fourth Proportional to 154,416.38, 231,187.64 and 98,116.92

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Solution

The fourth proportional to 154,416.38, 231,187.64 and 98,116.92 is: 146,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.38 : 231,187.64 = 98,116.92 : x
  2. Step 2: Convert to fraction form
    154,416.38/231,187.64 = 98,116.92/x
  3. Step 3: Cross multiply
    154,416.38x = 231,187.64 × 98,116.92
  4. Step 4: Simplify right side
    154,416.38x = 22,683,418,688.28
  5. Step 5: Solve for x
    x = 22,683,418,688.28/154,416.38
  6. Step 6: Final answer
    x = 146,897.75

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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.