Home / 154,941.38-232,510.38-66,195.56

Finding the Fourth Proportional to 154,941.38, 232,510.38 and 66,195.56

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Solution

The fourth proportional to 154,941.38, 232,510.38 and 66,195.56 is: 99,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,941.38 : 232,510.38 = 66,195.56 : x
  2. Step 2: Convert to fraction form
    154,941.38/232,510.38 = 66,195.56/x
  3. Step 3: Cross multiply
    154,941.38x = 232,510.38 × 66,195.56
  4. Step 4: Simplify right side
    154,941.38x = 15,391,153,647.36
  5. Step 5: Solve for x
    x = 15,391,153,647.36/154,941.38
  6. Step 6: Final answer
    x = 99,335.34

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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.