Home / 149,070.24-205,714.08-82,002.24

Finding the Fourth Proportional to 149,070.24, 205,714.08 and 82,002.24

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Solution

The fourth proportional to 149,070.24, 205,714.08 and 82,002.24 is: 113,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,070.24 : 205,714.08 = 82,002.24 : x
  2. Step 2: Convert to fraction form
    149,070.24/205,714.08 = 82,002.24/x
  3. Step 3: Cross multiply
    149,070.24x = 205,714.08 × 82,002.24
  4. Step 4: Simplify right side
    149,070.24x = 16,869,015,359.54
  5. Step 5: Solve for x
    x = 16,869,015,359.54/149,070.24
  6. Step 6: Final answer
    x = 113,161.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.