Home / 235,947.23-325,612.18-128,517.00

Finding the Fourth Proportional to 235,947.23, 325,612.18 and 128,517.00

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Solution

The fourth proportional to 235,947.23, 325,612.18 and 128,517.00 is: 177,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,947.23 : 325,612.18 = 128,517.00 : x
  2. Step 2: Convert to fraction form
    235,947.23/325,612.18 = 128,517.00/x
  3. Step 3: Cross multiply
    235,947.23x = 325,612.18 × 128,517.00
  4. Step 4: Simplify right side
    235,947.23x = 41,846,701,862.56
  5. Step 5: Solve for x
    x = 41,846,701,862.56/235,947.23
  6. Step 6: Final answer
    x = 177,356.19

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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.