Home / 147,237.10-220,855.65-100,581.10

Finding the Fourth Proportional to 147,237.10, 220,855.65 and 100,581.10

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Solution

The fourth proportional to 147,237.10, 220,855.65 and 100,581.10 is: 150,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.10 : 220,855.65 = 100,581.10 : x
  2. Step 2: Convert to fraction form
    147,237.10/220,855.65 = 100,581.10/x
  3. Step 3: Cross multiply
    147,237.10x = 220,855.65 × 100,581.10
  4. Step 4: Simplify right side
    147,237.10x = 22,213,904,218.22
  5. Step 5: Solve for x
    x = 22,213,904,218.22/147,237.10
  6. Step 6: Final answer
    x = 150,871.65

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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.