Home / 268,531.34-370,574.19-147,680.15

Finding the Fourth Proportional to 268,531.34, 370,574.19 and 147,680.15

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Solution

The fourth proportional to 268,531.34, 370,574.19 and 147,680.15 is: 203,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,531.34 : 370,574.19 = 147,680.15 : x
  2. Step 2: Convert to fraction form
    268,531.34/370,574.19 = 147,680.15/x
  3. Step 3: Cross multiply
    268,531.34x = 370,574.19 × 147,680.15
  4. Step 4: Simplify right side
    268,531.34x = 54,726,450,112.46
  5. Step 5: Solve for x
    x = 54,726,450,112.46/268,531.34
  6. Step 6: Final answer
    x = 203,799.12

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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.