Home / 185,862.18-278,933.49-86,092.38

Finding the Fourth Proportional to 185,862.18, 278,933.49 and 86,092.38

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Solution

The fourth proportional to 185,862.18, 278,933.49 and 86,092.38 is: 129,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,862.18 : 278,933.49 = 86,092.38 : x
  2. Step 2: Convert to fraction form
    185,862.18/278,933.49 = 86,092.38/x
  3. Step 3: Cross multiply
    185,862.18x = 278,933.49 × 86,092.38
  4. Step 4: Simplify right side
    185,862.18x = 24,014,048,015.81
  5. Step 5: Solve for x
    x = 24,014,048,015.81/185,862.18
  6. Step 6: Final answer
    x = 129,203.52

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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.