Home / 169,049.43-233,288.30-105,387.48

Finding the Fourth Proportional to 169,049.43, 233,288.30 and 105,387.48

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Solution

The fourth proportional to 169,049.43, 233,288.30 and 105,387.48 is: 145,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,049.43 : 233,288.30 = 105,387.48 : x
  2. Step 2: Convert to fraction form
    169,049.43/233,288.30 = 105,387.48/x
  3. Step 3: Cross multiply
    169,049.43x = 233,288.30 × 105,387.48
  4. Step 4: Simplify right side
    169,049.43x = 24,585,666,313.95
  5. Step 5: Solve for x
    x = 24,585,666,313.95/169,049.43
  6. Step 6: Final answer
    x = 145,434.78

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1.5x scale

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.