Home / 313,100.32-432,065.18-177,136.58

Finding the Fourth Proportional to 313,100.32, 432,065.18 and 177,136.58

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Solution

The fourth proportional to 313,100.32, 432,065.18 and 177,136.58 is: 244,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,100.32 : 432,065.18 = 177,136.58 : x
  2. Step 2: Convert to fraction form
    313,100.32/432,065.18 = 177,136.58/x
  3. Step 3: Cross multiply
    313,100.32x = 432,065.18 × 177,136.58
  4. Step 4: Simplify right side
    313,100.32x = 76,534,546,161.96
  5. Step 5: Solve for x
    x = 76,534,546,161.96/313,100.32
  6. Step 6: Final answer
    x = 244,440.97

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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.