Home / 128,896.11-193,341.24-75,924.14

Finding the Fourth Proportional to 128,896.11, 193,341.24 and 75,924.14

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Solution

The fourth proportional to 128,896.11, 193,341.24 and 75,924.14 is: 113,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,896.11 : 193,341.24 = 75,924.14 : x
  2. Step 2: Convert to fraction form
    128,896.11/193,341.24 = 75,924.14/x
  3. Step 3: Cross multiply
    128,896.11x = 193,341.24 × 75,924.14
  4. Step 4: Simplify right side
    128,896.11x = 14,679,266,406.83
  5. Step 5: Solve for x
    x = 14,679,266,406.83/128,896.11
  6. Step 6: Final answer
    x = 113,884.48

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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.