Home / 127,254.14-190,815.92-67,314.97

Finding the Fourth Proportional to 127,254.14, 190,815.92 and 67,314.97

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Solution

The fourth proportional to 127,254.14, 190,815.92 and 67,314.97 is: 100,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,254.14 : 190,815.92 = 67,314.97 : x
  2. Step 2: Convert to fraction form
    127,254.14/190,815.92 = 67,314.97/x
  3. Step 3: Cross multiply
    127,254.14x = 190,815.92 × 67,314.97
  4. Step 4: Simplify right side
    127,254.14x = 12,844,767,768.99
  5. Step 5: Solve for x
    x = 12,844,767,768.99/127,254.14
  6. Step 6: Final answer
    x = 100,937.91

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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.