Home / 356,155.12-491,478.84-195,007.24

Finding the Fourth Proportional to 356,155.12, 491,478.84 and 195,007.24

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Solution

The fourth proportional to 356,155.12, 491,478.84 and 195,007.24 is: 269,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,155.12 : 491,478.84 = 195,007.24 : x
  2. Step 2: Convert to fraction form
    356,155.12/491,478.84 = 195,007.24/x
  3. Step 3: Cross multiply
    356,155.12x = 491,478.84 × 195,007.24
  4. Step 4: Simplify right side
    356,155.12x = 95,841,932,106.80
  5. Step 5: Solve for x
    x = 95,841,932,106.80/356,155.12
  6. Step 6: Final answer
    x = 269,101.65

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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.