Home / 147,646.24-221,504.64-47,806.55

Finding the Fourth Proportional to 147,646.24, 221,504.64 and 47,806.55

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Solution

The fourth proportional to 147,646.24, 221,504.64 and 47,806.55 is: 71,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,646.24 : 221,504.64 = 47,806.55 : x
  2. Step 2: Convert to fraction form
    147,646.24/221,504.64 = 47,806.55/x
  3. Step 3: Cross multiply
    147,646.24x = 221,504.64 × 47,806.55
  4. Step 4: Simplify right side
    147,646.24x = 10,589,372,647.39
  5. Step 5: Solve for x
    x = 10,589,372,647.39/147,646.24
  6. Step 6: Final answer
    x = 71,721.25

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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.