Home / 126,871.03-190,246.94-73,578.15

Finding the Fourth Proportional to 126,871.03, 190,246.94 and 73,578.15

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Solution

The fourth proportional to 126,871.03, 190,246.94 and 73,578.15 is: 110,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.03 : 190,246.94 = 73,578.15 : x
  2. Step 2: Convert to fraction form
    126,871.03/190,246.94 = 73,578.15/x
  3. Step 3: Cross multiply
    126,871.03x = 190,246.94 × 73,578.15
  4. Step 4: Simplify right side
    126,871.03x = 13,998,018,210.27
  5. Step 5: Solve for x
    x = 13,998,018,210.27/126,871.03
  6. Step 6: Final answer
    x = 110,332.66

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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.