Home / 142,410.36-213,636.28-52,496.11

Finding the Fourth Proportional to 142,410.36, 213,636.28 and 52,496.11

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Solution

The fourth proportional to 142,410.36, 213,636.28 and 52,496.11 is: 78,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,410.36 : 213,636.28 = 52,496.11 : x
  2. Step 2: Convert to fraction form
    142,410.36/213,636.28 = 52,496.11/x
  3. Step 3: Cross multiply
    142,410.36x = 213,636.28 × 52,496.11
  4. Step 4: Simplify right side
    142,410.36x = 11,215,073,654.87
  5. Step 5: Solve for x
    x = 11,215,073,654.87/142,410.36
  6. Step 6: Final answer
    x = 78,751.81

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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.