Home / 233,921.75-322,792.40-138,411.71

Finding the Fourth Proportional to 233,921.75, 322,792.40 and 138,411.71

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Solution

The fourth proportional to 233,921.75, 322,792.40 and 138,411.71 is: 190,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,921.75 : 322,792.40 = 138,411.71 : x
  2. Step 2: Convert to fraction form
    233,921.75/322,792.40 = 138,411.71/x
  3. Step 3: Cross multiply
    233,921.75x = 322,792.40 × 138,411.71
  4. Step 4: Simplify right side
    233,921.75x = 44,678,247,366.95
  5. Step 5: Solve for x
    x = 44,678,247,366.95/233,921.75
  6. Step 6: Final answer
    x = 190,996.55

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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.