Home / 194,814.90-292,149.45-68,406.30

Finding the Fourth Proportional to 194,814.90, 292,149.45 and 68,406.30

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Solution

The fourth proportional to 194,814.90, 292,149.45 and 68,406.30 is: 102,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,814.90 : 292,149.45 = 68,406.30 : x
  2. Step 2: Convert to fraction form
    194,814.90/292,149.45 = 68,406.30/x
  3. Step 3: Cross multiply
    194,814.90x = 292,149.45 × 68,406.30
  4. Step 4: Simplify right side
    194,814.90x = 19,984,862,921.54
  5. Step 5: Solve for x
    x = 19,984,862,921.54/194,814.90
  6. Step 6: Final answer
    x = 102,583.85

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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.