Home / 115,181.95-158,951.88-64,197.96

Finding the Fourth Proportional to 115,181.95, 158,951.88 and 64,197.96

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Solution

The fourth proportional to 115,181.95, 158,951.88 and 64,197.96 is: 88,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.95 : 158,951.88 = 64,197.96 : x
  2. Step 2: Convert to fraction form
    115,181.95/158,951.88 = 64,197.96/x
  3. Step 3: Cross multiply
    115,181.95x = 158,951.88 × 64,197.96
  4. Step 4: Simplify right side
    115,181.95x = 10,204,387,030.23
  5. Step 5: Solve for x
    x = 10,204,387,030.23/115,181.95
  6. Step 6: Final answer
    x = 88,593.63

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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.