Home / 193,302.60-289,837.42-86,667.28

Finding the Fourth Proportional to 193,302.60, 289,837.42 and 86,667.28

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Solution

The fourth proportional to 193,302.60, 289,837.42 and 86,667.28 is: 129,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,302.60 : 289,837.42 = 86,667.28 : x
  2. Step 2: Convert to fraction form
    193,302.60/289,837.42 = 86,667.28/x
  3. Step 3: Cross multiply
    193,302.60x = 289,837.42 × 86,667.28
  4. Step 4: Simplify right side
    193,302.60x = 25,119,420,833.62
  5. Step 5: Solve for x
    x = 25,119,420,833.62/193,302.60
  6. Step 6: Final answer
    x = 129,948.70

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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.