Home / 154,753.32-232,142.26-66,007.56

Finding the Fourth Proportional to 154,753.32, 232,142.26 and 66,007.56

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Solution

The fourth proportional to 154,753.32, 232,142.26 and 66,007.56 is: 99,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,753.32 : 232,142.26 = 66,007.56 : x
  2. Step 2: Convert to fraction form
    154,753.32/232,142.26 = 66,007.56/x
  3. Step 3: Cross multiply
    154,753.32x = 232,142.26 × 66,007.56
  4. Step 4: Simplify right side
    154,753.32x = 15,323,144,155.49
  5. Step 5: Solve for x
    x = 15,323,144,155.49/154,753.32
  6. Step 6: Final answer
    x = 99,016.58

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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.