Home / 127,588.08-191,326.80-38,820.96

Finding the Fourth Proportional to 127,588.08, 191,326.80 and 38,820.96

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Solution

The fourth proportional to 127,588.08, 191,326.80 and 38,820.96 is: 58,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.08 : 191,326.80 = 38,820.96 : x
  2. Step 2: Convert to fraction form
    127,588.08/191,326.80 = 38,820.96/x
  3. Step 3: Cross multiply
    127,588.08x = 191,326.80 × 38,820.96
  4. Step 4: Simplify right side
    127,588.08x = 7,427,490,049.73
  5. Step 5: Solve for x
    x = 7,427,490,049.73/127,588.08
  6. Step 6: Final answer
    x = 58,214.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.