Home / 136,877.13-187,518.49-131,760.07

Finding the Fourth Proportional to 136,877.13, 187,518.49 and 131,760.07

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Solution

The fourth proportional to 136,877.13, 187,518.49 and 131,760.07 is: 180,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.13 : 187,518.49 = 131,760.07 : x
  2. Step 2: Convert to fraction form
    136,877.13/187,518.49 = 131,760.07/x
  3. Step 3: Cross multiply
    136,877.13x = 187,518.49 × 131,760.07
  4. Step 4: Simplify right side
    136,877.13x = 24,707,448,570.50
  5. Step 5: Solve for x
    x = 24,707,448,570.50/136,877.13
  6. Step 6: Final answer
    x = 180,508.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.