Home / 146,500.13-202,170.17-79,432.13

Finding the Fourth Proportional to 146,500.13, 202,170.17 and 79,432.13

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Solution

The fourth proportional to 146,500.13, 202,170.17 and 79,432.13 is: 109,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,500.13 : 202,170.17 = 79,432.13 : x
  2. Step 2: Convert to fraction form
    146,500.13/202,170.17 = 79,432.13/x
  3. Step 3: Cross multiply
    146,500.13x = 202,170.17 × 79,432.13
  4. Step 4: Simplify right side
    146,500.13x = 16,058,806,413.29
  5. Step 5: Solve for x
    x = 16,058,806,413.29/146,500.13
  6. Step 6: Final answer
    x = 109,616.33

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1.5x scale

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.