Home / 154,881.41-232,346.41-66,135.38

Finding the Fourth Proportional to 154,881.41, 232,346.41 and 66,135.38

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Solution

The fourth proportional to 154,881.41, 232,346.41 and 66,135.38 is: 99,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,881.41 : 232,346.41 = 66,135.38 : x
  2. Step 2: Convert to fraction form
    154,881.41/232,346.41 = 66,135.38/x
  3. Step 3: Cross multiply
    154,881.41x = 232,346.41 × 66,135.38
  4. Step 4: Simplify right side
    154,881.41x = 15,366,316,789.92
  5. Step 5: Solve for x
    x = 15,366,316,789.92/154,881.41
  6. Step 6: Final answer
    x = 99,213.44

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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.