Home / 247,700.70-371,291.31-121,166.28

Finding the Fourth Proportional to 247,700.70, 371,291.31 and 121,166.28

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Solution

The fourth proportional to 247,700.70, 371,291.31 and 121,166.28 is: 181,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,700.70 : 371,291.31 = 121,166.28 : x
  2. Step 2: Convert to fraction form
    247,700.70/371,291.31 = 121,166.28/x
  3. Step 3: Cross multiply
    247,700.70x = 371,291.31 × 121,166.28
  4. Step 4: Simplify right side
    247,700.70x = 44,987,986,829.03
  5. Step 5: Solve for x
    x = 44,987,986,829.03/247,700.70
  6. Step 6: Final answer
    x = 181,622.36

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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.