Home / 185,934.41-278,746.17-86,166.09

Finding the Fourth Proportional to 185,934.41, 278,746.17 and 86,166.09

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Solution

The fourth proportional to 185,934.41, 278,746.17 and 86,166.09 is: 129,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,934.41 : 278,746.17 = 86,166.09 : x
  2. Step 2: Convert to fraction form
    185,934.41/278,746.17 = 86,166.09/x
  3. Step 3: Cross multiply
    185,934.41x = 278,746.17 × 86,166.09
  4. Step 4: Simplify right side
    185,934.41x = 24,018,467,571.38
  5. Step 5: Solve for x
    x = 24,018,467,571.38/185,934.41
  6. Step 6: Final answer
    x = 129,177.10

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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.