Home / 124,845.20-187,267.80-114,736.40

Finding the Fourth Proportional to 124,845.20, 187,267.80 and 114,736.40

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Solution

The fourth proportional to 124,845.20, 187,267.80 and 114,736.40 is: 172,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.20 : 187,267.80 = 114,736.40 : x
  2. Step 2: Convert to fraction form
    124,845.20/187,267.80 = 114,736.40/x
  3. Step 3: Cross multiply
    124,845.20x = 187,267.80 × 114,736.40
  4. Step 4: Simplify right side
    124,845.20x = 21,486,433,207.92
  5. Step 5: Solve for x
    x = 21,486,433,207.92/124,845.20
  6. Step 6: Final answer
    x = 172,104.60

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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.