Home / 285,162.06-393,515.76-162,651.66

Finding the Fourth Proportional to 285,162.06, 393,515.76 and 162,651.66

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Solution

The fourth proportional to 285,162.06, 393,515.76 and 162,651.66 is: 224,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,162.06 : 393,515.76 = 162,651.66 : x
  2. Step 2: Convert to fraction form
    285,162.06/393,515.76 = 162,651.66/x
  3. Step 3: Cross multiply
    285,162.06x = 393,515.76 × 162,651.66
  4. Step 4: Simplify right side
    285,162.06x = 64,005,991,600.16
  5. Step 5: Solve for x
    x = 64,005,991,600.16/285,162.06
  6. Step 6: Final answer
    x = 224,454.79

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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.