Home / 111,352.12-167,037.90-28,246.12

Finding the Fourth Proportional to 111,352.12, 167,037.90 and 28,246.12

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Solution

The fourth proportional to 111,352.12, 167,037.90 and 28,246.12 is: 42,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.12 : 167,037.90 = 28,246.12 : x
  2. Step 2: Convert to fraction form
    111,352.12/167,037.90 = 28,246.12/x
  3. Step 3: Cross multiply
    111,352.12x = 167,037.90 × 28,246.12
  4. Step 4: Simplify right side
    111,352.12x = 4,718,172,567.95
  5. Step 5: Solve for x
    x = 4,718,172,567.95/111,352.12
  6. Step 6: Final answer
    x = 42,371.65

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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.