Home / 147,046.23-220,548.45-47,193.48

Finding the Fourth Proportional to 147,046.23, 220,548.45 and 47,193.48

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Solution

The fourth proportional to 147,046.23, 220,548.45 and 47,193.48 is: 70,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,046.23 : 220,548.45 = 47,193.48 : x
  2. Step 2: Convert to fraction form
    147,046.23/220,548.45 = 47,193.48/x
  3. Step 3: Cross multiply
    147,046.23x = 220,548.45 × 47,193.48
  4. Step 4: Simplify right side
    147,046.23x = 10,408,448,864.11
  5. Step 5: Solve for x
    x = 10,408,448,864.11/147,046.23
  6. Step 6: Final answer
    x = 70,783.51

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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.