Home / 183,439.91-253,143.12-102,865.66

Finding the Fourth Proportional to 183,439.91, 253,143.12 and 102,865.66

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Solution

The fourth proportional to 183,439.91, 253,143.12 and 102,865.66 is: 141,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,439.91 : 253,143.12 = 102,865.66 : x
  2. Step 2: Convert to fraction form
    183,439.91/253,143.12 = 102,865.66/x
  3. Step 3: Cross multiply
    183,439.91x = 253,143.12 × 102,865.66
  4. Step 4: Simplify right side
    183,439.91x = 26,039,734,113.26
  5. Step 5: Solve for x
    x = 26,039,734,113.26/183,439.91
  6. Step 6: Final answer
    x = 141,952.39

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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.