Home / 110,877.18-166,343.40-31,991.40

Finding the Fourth Proportional to 110,877.18, 166,343.40 and 31,991.40

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Solution

The fourth proportional to 110,877.18, 166,343.40 and 31,991.40 is: 47,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,877.18 : 166,343.40 = 31,991.40 : x
  2. Step 2: Convert to fraction form
    110,877.18/166,343.40 = 31,991.40/x
  3. Step 3: Cross multiply
    110,877.18x = 166,343.40 × 31,991.40
  4. Step 4: Simplify right side
    110,877.18x = 5,321,558,246.76
  5. Step 5: Solve for x
    x = 5,321,558,246.76/110,877.18
  6. Step 6: Final answer
    x = 47,995.07

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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.