Home / 205,069.86-282,974.94-113,187.47

Finding the Fourth Proportional to 205,069.86, 282,974.94 and 113,187.47

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Solution

The fourth proportional to 205,069.86, 282,974.94 and 113,187.47 is: 156,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,069.86 : 282,974.94 = 113,187.47 : x
  2. Step 2: Convert to fraction form
    205,069.86/282,974.94 = 113,187.47/x
  3. Step 3: Cross multiply
    205,069.86x = 282,974.94 × 113,187.47
  4. Step 4: Simplify right side
    205,069.86x = 32,029,216,117.13
  5. Step 5: Solve for x
    x = 32,029,216,117.13/205,069.86
  6. Step 6: Final answer
    x = 156,186.85

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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.