Home / 195,140.33-292,821.21-76,894.71

Finding the Fourth Proportional to 195,140.33, 292,821.21 and 76,894.71

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Solution

The fourth proportional to 195,140.33, 292,821.21 and 76,894.71 is: 115,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,140.33 : 292,821.21 = 76,894.71 : x
  2. Step 2: Convert to fraction form
    195,140.33/292,821.21 = 76,894.71/x
  3. Step 3: Cross multiply
    195,140.33x = 292,821.21 × 76,894.71
  4. Step 4: Simplify right side
    195,140.33x = 22,516,402,024.80
  5. Step 5: Solve for x
    x = 22,516,402,024.80/195,140.33
  6. Step 6: Final answer
    x = 115,385.69

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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.