Home / 144,156.72-199,073.16-136,302.96

Finding the Fourth Proportional to 144,156.72, 199,073.16 and 136,302.96

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Solution

The fourth proportional to 144,156.72, 199,073.16 and 136,302.96 is: 188,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,156.72 : 199,073.16 = 136,302.96 : x
  2. Step 2: Convert to fraction form
    144,156.72/199,073.16 = 136,302.96/x
  3. Step 3: Cross multiply
    144,156.72x = 199,073.16 × 136,302.96
  4. Step 4: Simplify right side
    144,156.72x = 27,134,260,964.55
  5. Step 5: Solve for x
    x = 27,134,260,964.55/144,156.72
  6. Step 6: Final answer
    x = 188,227.51

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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.