Home / 170,932.24-256,490.16-71,161.30

Finding the Fourth Proportional to 170,932.24, 256,490.16 and 71,161.30

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Solution

The fourth proportional to 170,932.24, 256,490.16 and 71,161.30 is: 106,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,932.24 : 256,490.16 = 71,161.30 : x
  2. Step 2: Convert to fraction form
    170,932.24/256,490.16 = 71,161.30/x
  3. Step 3: Cross multiply
    170,932.24x = 256,490.16 × 71,161.30
  4. Step 4: Simplify right side
    170,932.24x = 18,252,173,222.81
  5. Step 5: Solve for x
    x = 18,252,173,222.81/170,932.24
  6. Step 6: Final answer
    x = 106,780.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.