Home / 112,612.24-155,380.24-67,283.43

Finding the Fourth Proportional to 112,612.24, 155,380.24 and 67,283.43

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Solution

The fourth proportional to 112,612.24, 155,380.24 and 67,283.43 is: 92,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,612.24 : 155,380.24 = 67,283.43 : x
  2. Step 2: Convert to fraction form
    112,612.24/155,380.24 = 67,283.43/x
  3. Step 3: Cross multiply
    112,612.24x = 155,380.24 × 67,283.43
  4. Step 4: Simplify right side
    112,612.24x = 10,454,515,501.42
  5. Step 5: Solve for x
    x = 10,454,515,501.42/112,612.24
  6. Step 6: Final answer
    x = 92,836.40

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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.