Home / 111,434.76-167,132.70-51,458.12

Finding the Fourth Proportional to 111,434.76, 167,132.70 and 51,458.12

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Solution

The fourth proportional to 111,434.76, 167,132.70 and 51,458.12 is: 77,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,434.76 : 167,132.70 = 51,458.12 : x
  2. Step 2: Convert to fraction form
    111,434.76/167,132.70 = 51,458.12/x
  3. Step 3: Cross multiply
    111,434.76x = 167,132.70 × 51,458.12
  4. Step 4: Simplify right side
    111,434.76x = 8,600,334,532.52
  5. Step 5: Solve for x
    x = 8,600,334,532.52/111,434.76
  6. Step 6: Final answer
    x = 77,178.20

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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.