Home / 150,282.23-207,408.66-86,620.47

Finding the Fourth Proportional to 150,282.23, 207,408.66 and 86,620.47

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Solution

The fourth proportional to 150,282.23, 207,408.66 and 86,620.47 is: 119,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,282.23 : 207,408.66 = 86,620.47 : x
  2. Step 2: Convert to fraction form
    150,282.23/207,408.66 = 86,620.47/x
  3. Step 3: Cross multiply
    150,282.23x = 207,408.66 × 86,620.47
  4. Step 4: Simplify right side
    150,282.23x = 17,965,835,611.27
  5. Step 5: Solve for x
    x = 17,965,835,611.27/150,282.23
  6. Step 6: Final answer
    x = 119,547.31

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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.