Home / 147,889.28-221,871.32-41,273.21

Finding the Fourth Proportional to 147,889.28, 221,871.32 and 41,273.21

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Solution

The fourth proportional to 147,889.28, 221,871.32 and 41,273.21 is: 61,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,889.28 : 221,871.32 = 41,273.21 : x
  2. Step 2: Convert to fraction form
    147,889.28/221,871.32 = 41,273.21/x
  3. Step 3: Cross multiply
    147,889.28x = 221,871.32 × 41,273.21
  4. Step 4: Simplify right side
    147,889.28x = 9,157,341,376.97
  5. Step 5: Solve for x
    x = 9,157,341,376.97/147,889.28
  6. Step 6: Final answer
    x = 61,920.25

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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.