Home / 183,139.38-252,753.21-111,561.30

Finding the Fourth Proportional to 183,139.38, 252,753.21 and 111,561.30

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Solution

The fourth proportional to 183,139.38, 252,753.21 and 111,561.30 is: 153,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,139.38 : 252,753.21 = 111,561.30 : x
  2. Step 2: Convert to fraction form
    183,139.38/252,753.21 = 111,561.30/x
  3. Step 3: Cross multiply
    183,139.38x = 252,753.21 × 111,561.30
  4. Step 4: Simplify right side
    183,139.38x = 28,197,476,686.77
  5. Step 5: Solve for x
    x = 28,197,476,686.77/183,139.38
  6. Step 6: Final answer
    x = 153,967.30

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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.