Home / 113,974.62-157,268.35-71,546.82

Finding the Fourth Proportional to 113,974.62, 157,268.35 and 71,546.82

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Solution

The fourth proportional to 113,974.62, 157,268.35 and 71,546.82 is: 98,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,974.62 : 157,268.35 = 71,546.82 : x
  2. Step 2: Convert to fraction form
    113,974.62/157,268.35 = 71,546.82/x
  3. Step 3: Cross multiply
    113,974.62x = 157,268.35 × 71,546.82
  4. Step 4: Simplify right side
    113,974.62x = 11,252,050,329.15
  5. Step 5: Solve for x
    x = 11,252,050,329.15/113,974.62
  6. Step 6: Final answer
    x = 98,724.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.