Home / 127,599.15-191,394.27-68,550.15

Finding the Fourth Proportional to 127,599.15, 191,394.27 and 68,550.15

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Solution

The fourth proportional to 127,599.15, 191,394.27 and 68,550.15 is: 102,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.15 : 191,394.27 = 68,550.15 : x
  2. Step 2: Convert to fraction form
    127,599.15/191,394.27 = 68,550.15/x
  3. Step 3: Cross multiply
    127,599.15x = 191,394.27 × 68,550.15
  4. Step 4: Simplify right side
    127,599.15x = 13,120,105,917.64
  5. Step 5: Solve for x
    x = 13,120,105,917.64/127,599.15
  6. Step 6: Final answer
    x = 102,822.83

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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.