Home / 151,258.77-227,028.50-76,431.46

Finding the Fourth Proportional to 151,258.77, 227,028.50 and 76,431.46

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Solution

The fourth proportional to 151,258.77, 227,028.50 and 76,431.46 is: 114,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,258.77 : 227,028.50 = 76,431.46 : x
  2. Step 2: Convert to fraction form
    151,258.77/227,028.50 = 76,431.46/x
  3. Step 3: Cross multiply
    151,258.77x = 227,028.50 × 76,431.46
  4. Step 4: Simplify right side
    151,258.77x = 17,352,120,422.72
  5. Step 5: Solve for x
    x = 17,352,120,422.72/151,258.77
  6. Step 6: Final answer
    x = 114,718.11

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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.