Home / 147,218.96-203,167.08-80,153.36

Finding the Fourth Proportional to 147,218.96, 203,167.08 and 80,153.36

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Solution

The fourth proportional to 147,218.96, 203,167.08 and 80,153.36 is: 110,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.96 : 203,167.08 = 80,153.36 : x
  2. Step 2: Convert to fraction form
    147,218.96/203,167.08 = 80,153.36/x
  3. Step 3: Cross multiply
    147,218.96x = 203,167.08 × 80,153.36
  4. Step 4: Simplify right side
    147,218.96x = 16,284,524,103.39
  5. Step 5: Solve for x
    x = 16,284,524,103.39/147,218.96
  6. Step 6: Final answer
    x = 110,614.31

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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.