Home / 218,017.23-326,652.15-173,176.90

Finding the Fourth Proportional to 218,017.23, 326,652.15 and 173,176.90

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Solution

The fourth proportional to 218,017.23, 326,652.15 and 173,176.90 is: 259,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,017.23 : 326,652.15 = 173,176.90 : x
  2. Step 2: Convert to fraction form
    218,017.23/326,652.15 = 173,176.90/x
  3. Step 3: Cross multiply
    218,017.23x = 326,652.15 × 173,176.90
  4. Step 4: Simplify right side
    218,017.23x = 56,568,605,082.07
  5. Step 5: Solve for x
    x = 56,568,605,082.07/218,017.23
  6. Step 6: Final answer
    x = 259,468.51

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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.