Home / 136,973.22-188,671.50-96,616.05

Finding the Fourth Proportional to 136,973.22, 188,671.50 and 96,616.05

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Solution

The fourth proportional to 136,973.22, 188,671.50 and 96,616.05 is: 133,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,973.22 : 188,671.50 = 96,616.05 : x
  2. Step 2: Convert to fraction form
    136,973.22/188,671.50 = 96,616.05/x
  3. Step 3: Cross multiply
    136,973.22x = 188,671.50 × 96,616.05
  4. Step 4: Simplify right side
    136,973.22x = 18,228,695,077.58
  5. Step 5: Solve for x
    x = 18,228,695,077.58/136,973.22
  6. Step 6: Final answer
    x = 133,082.18

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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.