Home / 156,954.20-235,085.70-136,218.20

Finding the Fourth Proportional to 156,954.20, 235,085.70 and 136,218.20

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Solution

The fourth proportional to 156,954.20, 235,085.70 and 136,218.20 is: 204,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.20 : 235,085.70 = 136,218.20 : x
  2. Step 2: Convert to fraction form
    156,954.20/235,085.70 = 136,218.20/x
  3. Step 3: Cross multiply
    156,954.20x = 235,085.70 × 136,218.20
  4. Step 4: Simplify right side
    156,954.20x = 32,022,950,899.74
  5. Step 5: Solve for x
    x = 32,022,950,899.74/156,954.20
  6. Step 6: Final answer
    x = 204,027.36

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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.