Home / 107,440.09-148,221.39-67,126.39

Finding the Fourth Proportional to 107,440.09, 148,221.39 and 67,126.39

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Solution

The fourth proportional to 107,440.09, 148,221.39 and 67,126.39 is: 92,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.09 : 148,221.39 = 67,126.39 : x
  2. Step 2: Convert to fraction form
    107,440.09/148,221.39 = 67,126.39/x
  3. Step 3: Cross multiply
    107,440.09x = 148,221.39 × 67,126.39
  4. Step 4: Simplify right side
    107,440.09x = 9,949,566,712.65
  5. Step 5: Solve for x
    x = 9,949,566,712.65/107,440.09
  6. Step 6: Final answer
    x = 92,605.72

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Double scale
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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.