Home / 147,360.12-221,083.32-47,518.31

Finding the Fourth Proportional to 147,360.12, 221,083.32 and 47,518.31

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Solution

The fourth proportional to 147,360.12, 221,083.32 and 47,518.31 is: 71,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.12 : 221,083.32 = 47,518.31 : x
  2. Step 2: Convert to fraction form
    147,360.12/221,083.32 = 47,518.31/x
  3. Step 3: Cross multiply
    147,360.12x = 221,083.32 × 47,518.31
  4. Step 4: Simplify right side
    147,360.12x = 10,505,505,735.59
  5. Step 5: Solve for x
    x = 10,505,505,735.59/147,360.12
  6. Step 6: Final answer
    x = 71,291.38

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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.