Home / 141,228.80-211,650.96-71,156.24

Finding the Fourth Proportional to 141,228.80, 211,650.96 and 71,156.24

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Solution

The fourth proportional to 141,228.80, 211,650.96 and 71,156.24 is: 106,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,228.80 : 211,650.96 = 71,156.24 : x
  2. Step 2: Convert to fraction form
    141,228.80/211,650.96 = 71,156.24/x
  3. Step 3: Cross multiply
    141,228.80x = 211,650.96 × 71,156.24
  4. Step 4: Simplify right side
    141,228.80x = 15,060,286,505.99
  5. Step 5: Solve for x
    x = 15,060,286,505.99/141,228.80
  6. Step 6: Final answer
    x = 106,637.50

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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.