Home / 313,288.38-432,338.76-170,048.43

Finding the Fourth Proportional to 313,288.38, 432,338.76 and 170,048.43

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Solution

The fourth proportional to 313,288.38, 432,338.76 and 170,048.43 is: 234,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,288.38 : 432,338.76 = 170,048.43 : x
  2. Step 2: Convert to fraction form
    313,288.38/432,338.76 = 170,048.43/x
  3. Step 3: Cross multiply
    313,288.38x = 432,338.76 × 170,048.43
  4. Step 4: Simplify right side
    313,288.38x = 73,518,527,366.15
  5. Step 5: Solve for x
    x = 73,518,527,366.15/313,288.38
  6. Step 6: Final answer
    x = 234,667.27

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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.