Home / 201,742.19-278,382.77-111,092.76

Finding the Fourth Proportional to 201,742.19, 278,382.77 and 111,092.76

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Solution

The fourth proportional to 201,742.19, 278,382.77 and 111,092.76 is: 153,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,742.19 : 278,382.77 = 111,092.76 : x
  2. Step 2: Convert to fraction form
    201,742.19/278,382.77 = 111,092.76/x
  3. Step 3: Cross multiply
    201,742.19x = 278,382.77 × 111,092.76
  4. Step 4: Simplify right side
    201,742.19x = 30,926,309,700.28
  5. Step 5: Solve for x
    x = 30,926,309,700.28/201,742.19
  6. Step 6: Final answer
    x = 153,296.20

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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.