Home / 150,681.14-207,947.50-82,697.52

Finding the Fourth Proportional to 150,681.14, 207,947.50 and 82,697.52

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Solution

The fourth proportional to 150,681.14, 207,947.50 and 82,697.52 is: 114,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,681.14 : 207,947.50 = 82,697.52 : x
  2. Step 2: Convert to fraction form
    150,681.14/207,947.50 = 82,697.52/x
  3. Step 3: Cross multiply
    150,681.14x = 207,947.50 × 82,697.52
  4. Step 4: Simplify right side
    150,681.14x = 17,196,742,540.20
  5. Step 5: Solve for x
    x = 17,196,742,540.20/150,681.14
  6. Step 6: Final answer
    x = 114,126.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.