Home / 192,900.66-289,348.02-52,658.88

Finding the Fourth Proportional to 192,900.66, 289,348.02 and 52,658.88

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Solution

The fourth proportional to 192,900.66, 289,348.02 and 52,658.88 is: 78,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,900.66 : 289,348.02 = 52,658.88 : x
  2. Step 2: Convert to fraction form
    192,900.66/289,348.02 = 52,658.88/x
  3. Step 3: Cross multiply
    192,900.66x = 289,348.02 × 52,658.88
  4. Step 4: Simplify right side
    192,900.66x = 15,236,742,663.42
  5. Step 5: Solve for x
    x = 15,236,742,663.42/192,900.66
  6. Step 6: Final answer
    x = 78,987.51

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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.