Home / 112,657.32-155,456.47-67,326.28

Finding the Fourth Proportional to 112,657.32, 155,456.47 and 67,326.28

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Solution

The fourth proportional to 112,657.32, 155,456.47 and 67,326.28 is: 92,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,657.32 : 155,456.47 = 67,326.28 : x
  2. Step 2: Convert to fraction form
    112,657.32/155,456.47 = 67,326.28/x
  3. Step 3: Cross multiply
    112,657.32x = 155,456.47 × 67,326.28
  4. Step 4: Simplify right side
    112,657.32x = 10,466,304,713.12
  5. Step 5: Solve for x
    x = 10,466,304,713.12/112,657.32
  6. Step 6: Final answer
    x = 92,903.91

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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.