Home / 134,257.28-185,346.24-83,972.48

Finding the Fourth Proportional to 134,257.28, 185,346.24 and 83,972.48

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Solution

The fourth proportional to 134,257.28, 185,346.24 and 83,972.48 is: 115,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,257.28 : 185,346.24 = 83,972.48 : x
  2. Step 2: Convert to fraction form
    134,257.28/185,346.24 = 83,972.48/x
  3. Step 3: Cross multiply
    134,257.28x = 185,346.24 × 83,972.48
  4. Step 4: Simplify right side
    134,257.28x = 15,563,983,431.48
  5. Step 5: Solve for x
    x = 15,563,983,431.48/134,257.28
  6. Step 6: Final answer
    x = 115,926.55

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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.