Home / 199,174.28-298,816.86-86,864.36

Finding the Fourth Proportional to 199,174.28, 298,816.86 and 86,864.36

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Solution

The fourth proportional to 199,174.28, 298,816.86 and 86,864.36 is: 130,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,174.28 : 298,816.86 = 86,864.36 : x
  2. Step 2: Convert to fraction form
    199,174.28/298,816.86 = 86,864.36/x
  3. Step 3: Cross multiply
    199,174.28x = 298,816.86 × 86,864.36
  4. Step 4: Simplify right side
    199,174.28x = 25,956,535,301.11
  5. Step 5: Solve for x
    x = 25,956,535,301.11/199,174.28
  6. Step 6: Final answer
    x = 130,320.72

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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.