Home / 150,960.31-208,320.73-86,427.41

Finding the Fourth Proportional to 150,960.31, 208,320.73 and 86,427.41

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Solution

The fourth proportional to 150,960.31, 208,320.73 and 86,427.41 is: 119,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,960.31 : 208,320.73 = 86,427.41 : x
  2. Step 2: Convert to fraction form
    150,960.31/208,320.73 = 86,427.41/x
  3. Step 3: Cross multiply
    150,960.31x = 208,320.73 × 86,427.41
  4. Step 4: Simplify right side
    150,960.31x = 18,004,619,885.54
  5. Step 5: Solve for x
    x = 18,004,619,885.54/150,960.31
  6. Step 6: Final answer
    x = 119,267.24

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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.