Home / 98,256.15-135,456.19-83,087.96

Finding the Fourth Proportional to 98,256.15, 135,456.19 and 83,087.96

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Solution

The fourth proportional to 98,256.15, 135,456.19 and 83,087.96 is: 114,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,256.15 : 135,456.19 = 83,087.96 : x
  2. Step 2: Convert to fraction form
    98,256.15/135,456.19 = 83,087.96/x
  3. Step 3: Cross multiply
    98,256.15x = 135,456.19 × 83,087.96
  4. Step 4: Simplify right side
    98,256.15x = 11,254,777,611.47
  5. Step 5: Solve for x
    x = 11,254,777,611.47/98,256.15
  6. Step 6: Final answer
    x = 114,545.27

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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.