Home / 285,034.48-393,176.20-188,239.23

Finding the Fourth Proportional to 285,034.48, 393,176.20 and 188,239.23

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Solution

The fourth proportional to 285,034.48, 393,176.20 and 188,239.23 is: 259,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,034.48 : 393,176.20 = 188,239.23 : x
  2. Step 2: Convert to fraction form
    285,034.48/393,176.20 = 188,239.23/x
  3. Step 3: Cross multiply
    285,034.48x = 393,176.20 × 188,239.23
  4. Step 4: Simplify right side
    285,034.48x = 74,011,183,176.45
  5. Step 5: Solve for x
    x = 74,011,183,176.45/285,034.48
  6. Step 6: Final answer
    x = 259,656.95

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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.