Home / 124,818.86-172,249.79-68,230.23

Finding the Fourth Proportional to 124,818.86, 172,249.79 and 68,230.23

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Solution

The fourth proportional to 124,818.86, 172,249.79 and 68,230.23 is: 94,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.86 : 172,249.79 = 68,230.23 : x
  2. Step 2: Convert to fraction form
    124,818.86/172,249.79 = 68,230.23/x
  3. Step 3: Cross multiply
    124,818.86x = 172,249.79 × 68,230.23
  4. Step 4: Simplify right side
    124,818.86x = 11,752,642,448.00
  5. Step 5: Solve for x
    x = 11,752,642,448.00/124,818.86
  6. Step 6: Final answer
    x = 94,157.59

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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.