Home / 147,740.36-221,615.39-47,901.38

Finding the Fourth Proportional to 147,740.36, 221,615.39 and 47,901.38

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Solution

The fourth proportional to 147,740.36, 221,615.39 and 47,901.38 is: 71,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,740.36 : 221,615.39 = 47,901.38 : x
  2. Step 2: Convert to fraction form
    147,740.36/221,615.39 = 47,901.38/x
  3. Step 3: Cross multiply
    147,740.36x = 221,615.39 × 47,901.38
  4. Step 4: Simplify right side
    147,740.36x = 10,615,682,021.91
  5. Step 5: Solve for x
    x = 10,615,682,021.91/147,740.36
  6. Step 6: Final answer
    x = 71,853.64

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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.