Home / 260,814.57-390,714.21-192,301.26

Finding the Fourth Proportional to 260,814.57, 390,714.21 and 192,301.26

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Solution

The fourth proportional to 260,814.57, 390,714.21 and 192,301.26 is: 288,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,814.57 : 390,714.21 = 192,301.26 : x
  2. Step 2: Convert to fraction form
    260,814.57/390,714.21 = 192,301.26/x
  3. Step 3: Cross multiply
    260,814.57x = 390,714.21 × 192,301.26
  4. Step 4: Simplify right side
    260,814.57x = 75,134,834,882.90
  5. Step 5: Solve for x
    x = 75,134,834,882.90/260,814.57
  6. Step 6: Final answer
    x = 288,077.60

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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.