Home / 111,926.70-167,890.05-45,332.55

Finding the Fourth Proportional to 111,926.70, 167,890.05 and 45,332.55

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Solution

The fourth proportional to 111,926.70, 167,890.05 and 45,332.55 is: 67,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.70 : 167,890.05 = 45,332.55 : x
  2. Step 2: Convert to fraction form
    111,926.70/167,890.05 = 45,332.55/x
  3. Step 3: Cross multiply
    111,926.70x = 167,890.05 × 45,332.55
  4. Step 4: Simplify right side
    111,926.70x = 7,610,884,086.13
  5. Step 5: Solve for x
    x = 7,610,884,086.13/111,926.70
  6. Step 6: Final answer
    x = 67,998.83

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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.