Home / 136,534.96-188,330.32-90,593.60

Finding the Fourth Proportional to 136,534.96, 188,330.32 and 90,593.60

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Solution

The fourth proportional to 136,534.96, 188,330.32 and 90,593.60 is: 124,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534.96 : 188,330.32 = 90,593.60 : x
  2. Step 2: Convert to fraction form
    136,534.96/188,330.32 = 90,593.60/x
  3. Step 3: Cross multiply
    136,534.96x = 188,330.32 × 90,593.60
  4. Step 4: Simplify right side
    136,534.96x = 17,061,521,677.95
  5. Step 5: Solve for x
    x = 17,061,521,677.95/136,534.96
  6. Step 6: Final answer
    x = 124,960.83

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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.