Home / 172,572.08-258,920.40-60,268.82

Finding the Fourth Proportional to 172,572.08, 258,920.40 and 60,268.82

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Solution

The fourth proportional to 172,572.08, 258,920.40 and 60,268.82 is: 90,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,572.08 : 258,920.40 = 60,268.82 : x
  2. Step 2: Convert to fraction form
    172,572.08/258,920.40 = 60,268.82/x
  3. Step 3: Cross multiply
    172,572.08x = 258,920.40 × 60,268.82
  4. Step 4: Simplify right side
    172,572.08x = 15,604,826,981.93
  5. Step 5: Solve for x
    x = 15,604,826,981.93/172,572.08
  6. Step 6: Final answer
    x = 90,424.98

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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.