Home / 111,089.07-166,650.88-36,191.78

Finding the Fourth Proportional to 111,089.07, 166,650.88 and 36,191.78

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Solution

The fourth proportional to 111,089.07, 166,650.88 and 36,191.78 is: 54,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,089.07 : 166,650.88 = 36,191.78 : x
  2. Step 2: Convert to fraction form
    111,089.07/166,650.88 = 36,191.78/x
  3. Step 3: Cross multiply
    111,089.07x = 166,650.88 × 36,191.78
  4. Step 4: Simplify right side
    111,089.07x = 6,031,391,152.51
  5. Step 5: Solve for x
    x = 6,031,391,152.51/111,089.07
  6. Step 6: Final answer
    x = 54,293.29

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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.