Home / 313,118.13-432,073.92-177,162.36

Finding the Fourth Proportional to 313,118.13, 432,073.92 and 177,162.36

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Solution

The fourth proportional to 313,118.13, 432,073.92 and 177,162.36 is: 244,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,118.13 : 432,073.92 = 177,162.36 : x
  2. Step 2: Convert to fraction form
    313,118.13/432,073.92 = 177,162.36/x
  3. Step 3: Cross multiply
    313,118.13x = 432,073.92 × 177,162.36
  4. Step 4: Simplify right side
    313,118.13x = 76,547,235,361.65
  5. Step 5: Solve for x
    x = 76,547,235,361.65/313,118.13
  6. Step 6: Final answer
    x = 244,467.59

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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.