Home / 163,387.72-245,151.24-92,320.12

Finding the Fourth Proportional to 163,387.72, 245,151.24 and 92,320.12

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Solution

The fourth proportional to 163,387.72, 245,151.24 and 92,320.12 is: 138,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,387.72 : 245,151.24 = 92,320.12 : x
  2. Step 2: Convert to fraction form
    163,387.72/245,151.24 = 92,320.12/x
  3. Step 3: Cross multiply
    163,387.72x = 245,151.24 × 92,320.12
  4. Step 4: Simplify right side
    163,387.72x = 22,632,391,894.95
  5. Step 5: Solve for x
    x = 22,632,391,894.95/163,387.72
  6. Step 6: Final answer
    x = 138,519.54

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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.