Home / 368,545.11-552,561.15-163,268.28

Finding the Fourth Proportional to 368,545.11, 552,561.15 and 163,268.28

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Solution

The fourth proportional to 368,545.11, 552,561.15 and 163,268.28 is: 244,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,545.11 : 552,561.15 = 163,268.28 : x
  2. Step 2: Convert to fraction form
    368,545.11/552,561.15 = 163,268.28/x
  3. Step 3: Cross multiply
    368,545.11x = 552,561.15 × 163,268.28
  4. Step 4: Simplify right side
    368,545.11x = 90,215,708,555.32
  5. Step 5: Solve for x
    x = 90,215,708,555.32/368,545.11
  6. Step 6: Final answer
    x = 244,788.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.