Home / 142,221.83-213,344.96-37,040.63

Finding the Fourth Proportional to 142,221.83, 213,344.96 and 37,040.63

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Solution

The fourth proportional to 142,221.83, 213,344.96 and 37,040.63 is: 55,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,221.83 : 213,344.96 = 37,040.63 : x
  2. Step 2: Convert to fraction form
    142,221.83/213,344.96 = 37,040.63/x
  3. Step 3: Cross multiply
    142,221.83x = 213,344.96 × 37,040.63
  4. Step 4: Simplify right side
    142,221.83x = 7,902,430,473.80
  5. Step 5: Solve for x
    x = 7,902,430,473.80/142,221.83
  6. Step 6: Final answer
    x = 55,564.12

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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.