Home / 150,582.51-207,780.26-86,908.41

Finding the Fourth Proportional to 150,582.51, 207,780.26 and 86,908.41

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Solution

The fourth proportional to 150,582.51, 207,780.26 and 86,908.41 is: 119,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,582.51 : 207,780.26 = 86,908.41 : x
  2. Step 2: Convert to fraction form
    150,582.51/207,780.26 = 86,908.41/x
  3. Step 3: Cross multiply
    150,582.51x = 207,780.26 × 86,908.41
  4. Step 4: Simplify right side
    150,582.51x = 18,057,851,591.44
  5. Step 5: Solve for x
    x = 18,057,851,591.44/150,582.51
  6. Step 6: Final answer
    x = 119,919.98

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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.