Home / 154,939.88-232,508.13-66,194.06

Finding the Fourth Proportional to 154,939.88, 232,508.13 and 66,194.06

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Solution

The fourth proportional to 154,939.88, 232,508.13 and 66,194.06 is: 99,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,939.88 : 232,508.13 = 66,194.06 : x
  2. Step 2: Convert to fraction form
    154,939.88/232,508.13 = 66,194.06/x
  3. Step 3: Cross multiply
    154,939.88x = 232,508.13 × 66,194.06
  4. Step 4: Simplify right side
    154,939.88x = 15,390,655,945.17
  5. Step 5: Solve for x
    x = 15,390,655,945.17/154,939.88
  6. Step 6: Final answer
    x = 99,333.09

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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.