Home / 144,942.77-200,023.07-87,574.11

Finding the Fourth Proportional to 144,942.77, 200,023.07 and 87,574.11

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Solution

The fourth proportional to 144,942.77, 200,023.07 and 87,574.11 is: 120,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,942.77 : 200,023.07 = 87,574.11 : x
  2. Step 2: Convert to fraction form
    144,942.77/200,023.07 = 87,574.11/x
  3. Step 3: Cross multiply
    144,942.77x = 200,023.07 × 87,574.11
  4. Step 4: Simplify right side
    144,942.77x = 17,516,841,896.85
  5. Step 5: Solve for x
    x = 17,516,841,896.85/144,942.77
  6. Step 6: Final answer
    x = 120,853.51

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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.