Home / 316,816.24-437,206.42-173,581.72

Finding the Fourth Proportional to 316,816.24, 437,206.42 and 173,581.72

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Solution

The fourth proportional to 316,816.24, 437,206.42 and 173,581.72 is: 239,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,816.24 : 437,206.42 = 173,581.72 : x
  2. Step 2: Convert to fraction form
    316,816.24/437,206.42 = 173,581.72/x
  3. Step 3: Cross multiply
    316,816.24x = 437,206.42 × 173,581.72
  4. Step 4: Simplify right side
    316,816.24x = 75,891,042,378.64
  5. Step 5: Solve for x
    x = 75,891,042,378.64/316,816.24
  6. Step 6: Final answer
    x = 239,542.78

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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.