Home / 154,448.30-231,694.05-65,701.10

Finding the Fourth Proportional to 154,448.30, 231,694.05 and 65,701.10

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Solution

The fourth proportional to 154,448.30, 231,694.05 and 65,701.10 is: 98,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,448.30 : 231,694.05 = 65,701.10 : x
  2. Step 2: Convert to fraction form
    154,448.30/231,694.05 = 65,701.10/x
  3. Step 3: Cross multiply
    154,448.30x = 231,694.05 × 65,701.10
  4. Step 4: Simplify right side
    154,448.30x = 15,222,553,948.46
  5. Step 5: Solve for x
    x = 15,222,553,948.46/154,448.30
  6. Step 6: Final answer
    x = 98,560.84

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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.