Home / 134,514.48-185,585.55-86,799.54

Finding the Fourth Proportional to 134,514.48, 185,585.55 and 86,799.54

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Solution

The fourth proportional to 134,514.48, 185,585.55 and 86,799.54 is: 119,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,514.48 : 185,585.55 = 86,799.54 : x
  2. Step 2: Convert to fraction form
    134,514.48/185,585.55 = 86,799.54/x
  3. Step 3: Cross multiply
    134,514.48x = 185,585.55 × 86,799.54
  4. Step 4: Simplify right side
    134,514.48x = 16,108,740,370.65
  5. Step 5: Solve for x
    x = 16,108,740,370.65/134,514.48
  6. Step 6: Final answer
    x = 119,754.69

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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.