Home / 118,257.68-163,197.52-70,538.96

Finding the Fourth Proportional to 118,257.68, 163,197.52 and 70,538.96

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Solution

The fourth proportional to 118,257.68, 163,197.52 and 70,538.96 is: 97,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.68 : 163,197.52 = 70,538.96 : x
  2. Step 2: Convert to fraction form
    118,257.68/163,197.52 = 70,538.96/x
  3. Step 3: Cross multiply
    118,257.68x = 163,197.52 × 70,538.96
  4. Step 4: Simplify right side
    118,257.68x = 11,511,783,335.38
  5. Step 5: Solve for x
    x = 11,511,783,335.38/118,257.68
  6. Step 6: Final answer
    x = 97,344.91

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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.