Home / 218,019.23-326,655.15-173,178.90

Finding the Fourth Proportional to 218,019.23, 326,655.15 and 173,178.90

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Solution

The fourth proportional to 218,019.23, 326,655.15 and 173,178.90 is: 259,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,019.23 : 326,655.15 = 173,178.90 : x
  2. Step 2: Convert to fraction form
    218,019.23/326,655.15 = 173,178.90/x
  3. Step 3: Cross multiply
    218,019.23x = 326,655.15 × 173,178.90
  4. Step 4: Simplify right side
    218,019.23x = 56,569,779,556.34
  5. Step 5: Solve for x
    x = 56,569,779,556.34/218,019.23
  6. Step 6: Final answer
    x = 259,471.51

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1.5x scale

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.