Home / 612,822.59-919,234.16-192,131.27

Finding the Fourth Proportional to 612,822.59, 919,234.16 and 192,131.27

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Solution

The fourth proportional to 612,822.59, 919,234.16 and 192,131.27 is: 288,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,822.59 : 919,234.16 = 192,131.27 : x
  2. Step 2: Convert to fraction form
    612,822.59/919,234.16 = 192,131.27/x
  3. Step 3: Cross multiply
    612,822.59x = 919,234.16 × 192,131.27
  4. Step 4: Simplify right side
    612,822.59x = 176,613,625,627.53
  5. Step 5: Solve for x
    x = 176,613,625,627.53/612,822.59
  6. Step 6: Final answer
    x = 288,196.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.