Home / 112,657.10-155,456.12-67,326.04

Finding the Fourth Proportional to 112,657.10, 155,456.12 and 67,326.04

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Solution

The fourth proportional to 112,657.10, 155,456.12 and 67,326.04 is: 92,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,657.10 : 155,456.12 = 67,326.04 : x
  2. Step 2: Convert to fraction form
    112,657.10/155,456.12 = 67,326.04/x
  3. Step 3: Cross multiply
    112,657.10x = 155,456.12 × 67,326.04
  4. Step 4: Simplify right side
    112,657.10x = 10,466,244,953.36
  5. Step 5: Solve for x
    x = 10,466,244,953.36/112,657.10
  6. Step 6: Final answer
    x = 92,903.55

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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.