Home / 141,712.83-195,572.55-78,050.61

Finding the Fourth Proportional to 141,712.83, 195,572.55 and 78,050.61

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Solution

The fourth proportional to 141,712.83, 195,572.55 and 78,050.61 is: 107,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.83 : 195,572.55 = 78,050.61 : x
  2. Step 2: Convert to fraction form
    141,712.83/195,572.55 = 78,050.61/x
  3. Step 3: Cross multiply
    141,712.83x = 195,572.55 × 78,050.61
  4. Step 4: Simplify right side
    141,712.83x = 15,264,556,826.76
  5. Step 5: Solve for x
    x = 15,264,556,826.76/141,712.83
  6. Step 6: Final answer
    x = 107,714.71

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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.