Home / 134,514.28-185,647.48-86,906.12

Finding the Fourth Proportional to 134,514.28, 185,647.48 and 86,906.12

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Solution

The fourth proportional to 134,514.28, 185,647.48 and 86,906.12 is: 119,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,514.28 : 185,647.48 = 86,906.12 : x
  2. Step 2: Convert to fraction form
    134,514.28/185,647.48 = 86,906.12/x
  3. Step 3: Cross multiply
    134,514.28x = 185,647.48 × 86,906.12
  4. Step 4: Simplify right side
    134,514.28x = 16,133,902,174.58
  5. Step 5: Solve for x
    x = 16,133,902,174.58/134,514.28
  6. Step 6: Final answer
    x = 119,941.93

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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.