Home / 131,904.54-181,927.85-113,538.92

Finding the Fourth Proportional to 131,904.54, 181,927.85 and 113,538.92

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Solution

The fourth proportional to 131,904.54, 181,927.85 and 113,538.92 is: 156,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,904.54 : 181,927.85 = 113,538.92 : x
  2. Step 2: Convert to fraction form
    131,904.54/181,927.85 = 113,538.92/x
  3. Step 3: Cross multiply
    131,904.54x = 181,927.85 × 113,538.92
  4. Step 4: Simplify right side
    131,904.54x = 20,655,890,129.59
  5. Step 5: Solve for x
    x = 20,655,890,129.59/131,904.54
  6. Step 6: Final answer
    x = 156,597.26

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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.