Home / 112,257.12-154,913.40-61,952.88

Finding the Fourth Proportional to 112,257.12, 154,913.40 and 61,952.88

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Solution

The fourth proportional to 112,257.12, 154,913.40 and 61,952.88 is: 85,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,257.12 : 154,913.40 = 61,952.88 : x
  2. Step 2: Convert to fraction form
    112,257.12/154,913.40 = 61,952.88/x
  3. Step 3: Cross multiply
    112,257.12x = 154,913.40 × 61,952.88
  4. Step 4: Simplify right side
    112,257.12x = 9,597,331,280.59
  5. Step 5: Solve for x
    x = 9,597,331,280.59/112,257.12
  6. Step 6: Final answer
    x = 85,494.19

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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.