Home / 236,207.14-354,206.82-86,408.57

Finding the Fourth Proportional to 236,207.14, 354,206.82 and 86,408.57

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Solution

The fourth proportional to 236,207.14, 354,206.82 and 86,408.57 is: 129,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,207.14 : 354,206.82 = 86,408.57 : x
  2. Step 2: Convert to fraction form
    236,207.14/354,206.82 = 86,408.57/x
  3. Step 3: Cross multiply
    236,207.14x = 354,206.82 × 86,408.57
  4. Step 4: Simplify right side
    236,207.14x = 30,606,506,010.00
  5. Step 5: Solve for x
    x = 30,606,506,010.00/236,207.14
  6. Step 6: Final answer
    x = 129,574.86

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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.