Home / 195,569.72-269,839.95-110,686.78

Finding the Fourth Proportional to 195,569.72, 269,839.95 and 110,686.78

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Solution

The fourth proportional to 195,569.72, 269,839.95 and 110,686.78 is: 152,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,569.72 : 269,839.95 = 110,686.78 : x
  2. Step 2: Convert to fraction form
    195,569.72/269,839.95 = 110,686.78/x
  3. Step 3: Cross multiply
    195,569.72x = 269,839.95 × 110,686.78
  4. Step 4: Simplify right side
    195,569.72x = 29,867,714,506.26
  5. Step 5: Solve for x
    x = 29,867,714,506.26/195,569.72
  6. Step 6: Final answer
    x = 152,721.57

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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.