Home / 111,576.12-167,364.18-28,470.12

Finding the Fourth Proportional to 111,576.12, 167,364.18 and 28,470.12

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Solution

The fourth proportional to 111,576.12, 167,364.18 and 28,470.12 is: 42,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,576.12 : 167,364.18 = 28,470.12 : x
  2. Step 2: Convert to fraction form
    111,576.12/167,364.18 = 28,470.12/x
  3. Step 3: Cross multiply
    111,576.12x = 167,364.18 × 28,470.12
  4. Step 4: Simplify right side
    111,576.12x = 4,764,878,288.30
  5. Step 5: Solve for x
    x = 4,764,878,288.30/111,576.12
  6. Step 6: Final answer
    x = 42,705.18

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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.