Home / 356,248.55-491,617.98-195,103.55

Finding the Fourth Proportional to 356,248.55, 491,617.98 and 195,103.55

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Solution

The fourth proportional to 356,248.55, 491,617.98 and 195,103.55 is: 269,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,248.55 : 491,617.98 = 195,103.55 : x
  2. Step 2: Convert to fraction form
    356,248.55/491,617.98 = 195,103.55/x
  3. Step 3: Cross multiply
    356,248.55x = 491,617.98 × 195,103.55
  4. Step 4: Simplify right side
    356,248.55x = 95,916,414,370.87
  5. Step 5: Solve for x
    x = 95,916,414,370.87/356,248.55
  6. Step 6: Final answer
    x = 269,240.16

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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.