Home / 205,424.91-283,485.77-113,543.57

Finding the Fourth Proportional to 205,424.91, 283,485.77 and 113,543.57

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Solution

The fourth proportional to 205,424.91, 283,485.77 and 113,543.57 is: 156,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,424.91 : 283,485.77 = 113,543.57 : x
  2. Step 2: Convert to fraction form
    205,424.91/283,485.77 = 113,543.57/x
  3. Step 3: Cross multiply
    205,424.91x = 283,485.77 × 113,543.57
  4. Step 4: Simplify right side
    205,424.91x = 32,187,987,575.47
  5. Step 5: Solve for x
    x = 32,187,987,575.47/205,424.91
  6. Step 6: Final answer
    x = 156,689.80

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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.