Home / 147,211.90-220,817.94-47,372.07

Finding the Fourth Proportional to 147,211.90, 220,817.94 and 47,372.07

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Solution

The fourth proportional to 147,211.90, 220,817.94 and 47,372.07 is: 71,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,211.90 : 220,817.94 = 47,372.07 : x
  2. Step 2: Convert to fraction form
    147,211.90/220,817.94 = 47,372.07/x
  3. Step 3: Cross multiply
    147,211.90x = 220,817.94 × 47,372.07
  4. Step 4: Simplify right side
    147,211.90x = 10,460,603,478.62
  5. Step 5: Solve for x
    x = 10,460,603,478.62/147,211.90
  6. Step 6: Final answer
    x = 71,058.14

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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.