Home / 356,631.38-492,148.98-195,493.22

Finding the Fourth Proportional to 356,631.38, 492,148.98 and 195,493.22

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Solution

The fourth proportional to 356,631.38, 492,148.98 and 195,493.22 is: 269,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,631.38 : 492,148.98 = 195,493.22 : x
  2. Step 2: Convert to fraction form
    356,631.38/492,148.98 = 195,493.22/x
  3. Step 3: Cross multiply
    356,631.38x = 492,148.98 × 195,493.22
  4. Step 4: Simplify right side
    356,631.38x = 96,211,788,819.92
  5. Step 5: Solve for x
    x = 96,211,788,819.92/356,631.38
  6. Step 6: Final answer
    x = 269,779.37

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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.