Home / 111,415.04-167,034.90-55,216.52

Finding the Fourth Proportional to 111,415.04, 167,034.90 and 55,216.52

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Solution

The fourth proportional to 111,415.04, 167,034.90 and 55,216.52 is: 82,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415.04 : 167,034.90 = 55,216.52 : x
  2. Step 2: Convert to fraction form
    111,415.04/167,034.90 = 55,216.52/x
  3. Step 3: Cross multiply
    111,415.04x = 167,034.90 × 55,216.52
  4. Step 4: Simplify right side
    111,415.04x = 9,223,085,896.55
  5. Step 5: Solve for x
    x = 9,223,085,896.55/111,415.04
  6. Step 6: Final answer
    x = 82,781.34

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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.