Home / 356,312.65-491,711.67-195,170.39

Finding the Fourth Proportional to 356,312.65, 491,711.67 and 195,170.39

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Solution

The fourth proportional to 356,312.65, 491,711.67 and 195,170.39 is: 269,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,312.65 : 491,711.67 = 195,170.39 : x
  2. Step 2: Convert to fraction form
    356,312.65/491,711.67 = 195,170.39/x
  3. Step 3: Cross multiply
    356,312.65x = 491,711.67 × 195,170.39
  4. Step 4: Simplify right side
    356,312.65x = 95,967,557,425.60
  5. Step 5: Solve for x
    x = 95,967,557,425.60/356,312.65
  6. Step 6: Final answer
    x = 269,335.26

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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.