Home / 170,288.48-255,170.12-107,827.76

Finding the Fourth Proportional to 170,288.48, 255,170.12 and 107,827.76

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Solution

The fourth proportional to 170,288.48, 255,170.12 and 107,827.76 is: 161,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.48 : 255,170.12 = 107,827.76 : x
  2. Step 2: Convert to fraction form
    170,288.48/255,170.12 = 107,827.76/x
  3. Step 3: Cross multiply
    170,288.48x = 255,170.12 × 107,827.76
  4. Step 4: Simplify right side
    170,288.48x = 27,514,422,458.53
  5. Step 5: Solve for x
    x = 27,514,422,458.53/170,288.48
  6. Step 6: Final answer
    x = 161,575.36

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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.