Home / 113,899.52-170,752.07-80,514.56

Finding the Fourth Proportional to 113,899.52, 170,752.07 and 80,514.56

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Solution

The fourth proportional to 113,899.52, 170,752.07 and 80,514.56 is: 120,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,899.52 : 170,752.07 = 80,514.56 : x
  2. Step 2: Convert to fraction form
    113,899.52/170,752.07 = 80,514.56/x
  3. Step 3: Cross multiply
    113,899.52x = 170,752.07 × 80,514.56
  4. Step 4: Simplify right side
    113,899.52x = 13,748,027,785.14
  5. Step 5: Solve for x
    x = 13,748,027,785.14/113,899.52
  6. Step 6: Final answer
    x = 120,703.12

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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.