Home / 313,914.70-433,217.10-177,951.29

Finding the Fourth Proportional to 313,914.70, 433,217.10 and 177,951.29

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Solution

The fourth proportional to 313,914.70, 433,217.10 and 177,951.29 is: 245,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,914.70 : 433,217.10 = 177,951.29 : x
  2. Step 2: Convert to fraction form
    313,914.70/433,217.10 = 177,951.29/x
  3. Step 3: Cross multiply
    313,914.70x = 433,217.10 × 177,951.29
  4. Step 4: Simplify right side
    313,914.70x = 77,091,541,637.81
  5. Step 5: Solve for x
    x = 77,091,541,637.81/313,914.70
  6. Step 6: Final answer
    x = 245,581.18

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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.