Home / 126,950.95-190,377.21-67,754.32

Finding the Fourth Proportional to 126,950.95, 190,377.21 and 67,754.32

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Solution

The fourth proportional to 126,950.95, 190,377.21 and 67,754.32 is: 101,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.95 : 190,377.21 = 67,754.32 : x
  2. Step 2: Convert to fraction form
    126,950.95/190,377.21 = 67,754.32/x
  3. Step 3: Cross multiply
    126,950.95x = 190,377.21 × 67,754.32
  4. Step 4: Simplify right side
    126,950.95x = 12,898,878,407.05
  5. Step 5: Solve for x
    x = 12,898,878,407.05/126,950.95
  6. Step 6: Final answer
    x = 101,605.21

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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.