Home / 113,825.42-157,206-88,634.84

Finding the Fourth Proportional to 113,825.42, 157,206 and 88,634.84

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Solution

The fourth proportional to 113,825.42, 157,206 and 88,634.84 is: 122,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,825.42 : 157,206 = 88,634.84 : x
  2. Step 2: Convert to fraction form
    113,825.42/157,206 = 88,634.84/x
  3. Step 3: Cross multiply
    113,825.42x = 157,206 × 88,634.84
  4. Step 4: Simplify right side
    113,825.42x = 13,933,928,657.04
  5. Step 5: Solve for x
    x = 13,933,928,657.04/113,825.42
  6. Step 6: Final answer
    x = 122,414.91

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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.