Home / 111,016.12-166,486.56-36,117.76

Finding the Fourth Proportional to 111,016.12, 166,486.56 and 36,117.76

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Solution

The fourth proportional to 111,016.12, 166,486.56 and 36,117.76 is: 54,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,016.12 : 166,486.56 = 36,117.76 : x
  2. Step 2: Convert to fraction form
    111,016.12/166,486.56 = 36,117.76/x
  3. Step 3: Cross multiply
    111,016.12x = 166,486.56 × 36,117.76
  4. Step 4: Simplify right side
    111,016.12x = 6,013,121,617.31
  5. Step 5: Solve for x
    x = 6,013,121,617.31/111,016.12
  6. Step 6: Final answer
    x = 54,164.40

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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.