Home / 313,366.86-432,439.56-170,125.65

Finding the Fourth Proportional to 313,366.86, 432,439.56 and 170,125.65

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Solution

The fourth proportional to 313,366.86, 432,439.56 and 170,125.65 is: 234,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,366.86 : 432,439.56 = 170,125.65 : x
  2. Step 2: Convert to fraction form
    313,366.86/432,439.56 = 170,125.65/x
  3. Step 3: Cross multiply
    313,366.86x = 432,439.56 × 170,125.65
  4. Step 4: Simplify right side
    313,366.86x = 73,569,061,230.71
  5. Step 5: Solve for x
    x = 73,569,061,230.71/313,366.86
  6. Step 6: Final answer
    x = 234,769.76

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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.