Home / 268,540.95-370,578.03-147,681.87

Finding the Fourth Proportional to 268,540.95, 370,578.03 and 147,681.87

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Solution

The fourth proportional to 268,540.95, 370,578.03 and 147,681.87 is: 203,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,540.95 : 370,578.03 = 147,681.87 : x
  2. Step 2: Convert to fraction form
    268,540.95/370,578.03 = 147,681.87/x
  3. Step 3: Cross multiply
    268,540.95x = 370,578.03 × 147,681.87
  4. Step 4: Simplify right side
    268,540.95x = 54,727,656,451.32
  5. Step 5: Solve for x
    x = 54,727,656,451.32/268,540.95
  6. Step 6: Final answer
    x = 203,796.32

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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.