Home / 205,723.95-283,910.72-115,083.74

Finding the Fourth Proportional to 205,723.95, 283,910.72 and 115,083.74

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Solution

The fourth proportional to 205,723.95, 283,910.72 and 115,083.74 is: 158,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,723.95 : 283,910.72 = 115,083.74 : x
  2. Step 2: Convert to fraction form
    205,723.95/283,910.72 = 115,083.74/x
  3. Step 3: Cross multiply
    205,723.95x = 283,910.72 × 115,083.74
  4. Step 4: Simplify right side
    205,723.95x = 32,673,506,668.40
  5. Step 5: Solve for x
    x = 32,673,506,668.40/205,723.95
  6. Step 6: Final answer
    x = 158,822.08

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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.