Home / 147,531.80-221,297.70-49,035.80

Finding the Fourth Proportional to 147,531.80, 221,297.70 and 49,035.80

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Solution

The fourth proportional to 147,531.80, 221,297.70 and 49,035.80 is: 73,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531.80 : 221,297.70 = 49,035.80 : x
  2. Step 2: Convert to fraction form
    147,531.80/221,297.70 = 49,035.80/x
  3. Step 3: Cross multiply
    147,531.80x = 221,297.70 × 49,035.80
  4. Step 4: Simplify right side
    147,531.80x = 10,851,509,757.66
  5. Step 5: Solve for x
    x = 10,851,509,757.66/147,531.80
  6. Step 6: Final answer
    x = 73,553.70

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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.