Home / 100,587.57-138,952.53-95,273.16

Finding the Fourth Proportional to 100,587.57, 138,952.53 and 95,273.16

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Solution

The fourth proportional to 100,587.57, 138,952.53 and 95,273.16 is: 131,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,587.57 : 138,952.53 = 95,273.16 : x
  2. Step 2: Convert to fraction form
    100,587.57/138,952.53 = 95,273.16/x
  3. Step 3: Cross multiply
    100,587.57x = 138,952.53 × 95,273.16
  4. Step 4: Simplify right side
    100,587.57x = 13,238,446,481.70
  5. Step 5: Solve for x
    x = 13,238,446,481.70/100,587.57
  6. Step 6: Final answer
    x = 131,611.15

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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.