Home / 461,275.32-691,942.14-194,986.20

Finding the Fourth Proportional to 461,275.32, 691,942.14 and 194,986.20

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Solution

The fourth proportional to 461,275.32, 691,942.14 and 194,986.20 is: 292,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,275.32 : 691,942.14 = 194,986.20 : x
  2. Step 2: Convert to fraction form
    461,275.32/691,942.14 = 194,986.20/x
  3. Step 3: Cross multiply
    461,275.32x = 691,942.14 × 194,986.20
  4. Step 4: Simplify right side
    461,275.32x = 134,919,168,498.47
  5. Step 5: Solve for x
    x = 134,919,168,498.47/461,275.32
  6. Step 6: Final answer
    x = 292,491.63

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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.