Home / 124,591.60-186,887.40-74,825.20

Finding the Fourth Proportional to 124,591.60, 186,887.40 and 74,825.20

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Solution

The fourth proportional to 124,591.60, 186,887.40 and 74,825.20 is: 112,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,591.60 : 186,887.40 = 74,825.20 : x
  2. Step 2: Convert to fraction form
    124,591.60/186,887.40 = 74,825.20/x
  3. Step 3: Cross multiply
    124,591.60x = 186,887.40 × 74,825.20
  4. Step 4: Simplify right side
    124,591.60x = 13,983,887,082.48
  5. Step 5: Solve for x
    x = 13,983,887,082.48/124,591.60
  6. Step 6: Final answer
    x = 112,237.80

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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.