Home / 111,225.75-166,450.80-91,001.52

Finding the Fourth Proportional to 111,225.75, 166,450.80 and 91,001.52

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Solution

The fourth proportional to 111,225.75, 166,450.80 and 91,001.52 is: 136,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.75 : 166,450.80 = 91,001.52 : x
  2. Step 2: Convert to fraction form
    111,225.75/166,450.80 = 91,001.52/x
  3. Step 3: Cross multiply
    111,225.75x = 166,450.80 × 91,001.52
  4. Step 4: Simplify right side
    111,225.75x = 15,147,275,805.22
  5. Step 5: Solve for x
    x = 15,147,275,805.22/111,225.75
  6. Step 6: Final answer
    x = 136,184.97

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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.