Home / 154,878.70-232,318.05-102,001.90

Finding the Fourth Proportional to 154,878.70, 232,318.05 and 102,001.90

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Solution

The fourth proportional to 154,878.70, 232,318.05 and 102,001.90 is: 153,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,878.70 : 232,318.05 = 102,001.90 : x
  2. Step 2: Convert to fraction form
    154,878.70/232,318.05 = 102,001.90/x
  3. Step 3: Cross multiply
    154,878.70x = 232,318.05 × 102,001.90
  4. Step 4: Simplify right side
    154,878.70x = 23,696,882,504.30
  5. Step 5: Solve for x
    x = 23,696,882,504.30/154,878.70
  6. Step 6: Final answer
    x = 153,002.85

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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.