Home / 147,158.07-220,868.37-100,443.75

Finding the Fourth Proportional to 147,158.07, 220,868.37 and 100,443.75

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Solution

The fourth proportional to 147,158.07, 220,868.37 and 100,443.75 is: 150,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,158.07 : 220,868.37 = 100,443.75 : x
  2. Step 2: Convert to fraction form
    147,158.07/220,868.37 = 100,443.75/x
  3. Step 3: Cross multiply
    147,158.07x = 220,868.37 × 100,443.75
  4. Step 4: Simplify right side
    147,158.07x = 22,184,847,339.19
  5. Step 5: Solve for x
    x = 22,184,847,339.19/147,158.07
  6. Step 6: Final answer
    x = 150,755.22

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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.