Home / 154,751.31-232,139.25-66,005.55

Finding the Fourth Proportional to 154,751.31, 232,139.25 and 66,005.55

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Solution

The fourth proportional to 154,751.31, 232,139.25 and 66,005.55 is: 99,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,751.31 : 232,139.25 = 66,005.55 : x
  2. Step 2: Convert to fraction form
    154,751.31/232,139.25 = 66,005.55/x
  3. Step 3: Cross multiply
    154,751.31x = 232,139.25 × 66,005.55
  4. Step 4: Simplify right side
    154,751.31x = 15,322,478,872.84
  5. Step 5: Solve for x
    x = 15,322,478,872.84/154,751.31
  6. Step 6: Final answer
    x = 99,013.56

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1.5x scale

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.