Home / 131,888.80-181,906.12-113,523.17

Finding the Fourth Proportional to 131,888.80, 181,906.12 and 113,523.17

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Solution

The fourth proportional to 131,888.80, 181,906.12 and 113,523.17 is: 156,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.80 : 181,906.12 = 113,523.17 : x
  2. Step 2: Convert to fraction form
    131,888.80/181,906.12 = 113,523.17/x
  3. Step 3: Cross multiply
    131,888.80x = 181,906.12 × 113,523.17
  4. Step 4: Simplify right side
    131,888.80x = 20,650,558,617.17
  5. Step 5: Solve for x
    x = 20,650,558,617.17/131,888.80
  6. Step 6: Final answer
    x = 156,575.53

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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.