Home / 356,211.38-491,565.76-192,866.56

Finding the Fourth Proportional to 356,211.38, 491,565.76 and 192,866.56

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Solution

The fourth proportional to 356,211.38, 491,565.76 and 192,866.56 is: 266,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,211.38 : 491,565.76 = 192,866.56 : x
  2. Step 2: Convert to fraction form
    356,211.38/491,565.76 = 192,866.56/x
  3. Step 3: Cross multiply
    356,211.38x = 491,565.76 × 192,866.56
  4. Step 4: Simplify right side
    356,211.38x = 94,806,595,827.51
  5. Step 5: Solve for x
    x = 94,806,595,827.51/356,211.38
  6. Step 6: Final answer
    x = 266,152.63

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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.