Home / 147,029.70-219,961.35-127,524.90

Finding the Fourth Proportional to 147,029.70, 219,961.35 and 127,524.90

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Solution

The fourth proportional to 147,029.70, 219,961.35 and 127,524.90 is: 190,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.70 : 219,961.35 = 127,524.90 : x
  2. Step 2: Convert to fraction form
    147,029.70/219,961.35 = 127,524.90/x
  3. Step 3: Cross multiply
    147,029.70x = 219,961.35 × 127,524.90
  4. Step 4: Simplify right side
    147,029.70x = 28,050,549,162.62
  5. Step 5: Solve for x
    x = 28,050,549,162.62/147,029.70
  6. Step 6: Final answer
    x = 190,781.52

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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.