Home / 124,416.80-186,625.20-102,255.20

Finding the Fourth Proportional to 124,416.80, 186,625.20 and 102,255.20

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Solution

The fourth proportional to 124,416.80, 186,625.20 and 102,255.20 is: 153,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416.80 : 186,625.20 = 102,255.20 : x
  2. Step 2: Convert to fraction form
    124,416.80/186,625.20 = 102,255.20/x
  3. Step 3: Cross multiply
    124,416.80x = 186,625.20 × 102,255.20
  4. Step 4: Simplify right side
    124,416.80x = 19,083,397,151.04
  5. Step 5: Solve for x
    x = 19,083,397,151.04/124,416.80
  6. Step 6: Final answer
    x = 153,382.80

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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.