Home / 164,011.78-226,338.53-91,412.66

Finding the Fourth Proportional to 164,011.78, 226,338.53 and 91,412.66

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Solution

The fourth proportional to 164,011.78, 226,338.53 and 91,412.66 is: 126,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011.78 : 226,338.53 = 91,412.66 : x
  2. Step 2: Convert to fraction form
    164,011.78/226,338.53 = 91,412.66/x
  3. Step 3: Cross multiply
    164,011.78x = 226,338.53 × 91,412.66
  4. Step 4: Simplify right side
    164,011.78x = 20,690,207,087.79
  5. Step 5: Solve for x
    x = 20,690,207,087.79/164,011.78
  6. Step 6: Final answer
    x = 126,150.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.