Home / 124,150.87-171,346.64-73,147.29

Finding the Fourth Proportional to 124,150.87, 171,346.64 and 73,147.29

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Solution

The fourth proportional to 124,150.87, 171,346.64 and 73,147.29 is: 100,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,150.87 : 171,346.64 = 73,147.29 : x
  2. Step 2: Convert to fraction form
    124,150.87/171,346.64 = 73,147.29/x
  3. Step 3: Cross multiply
    124,150.87x = 171,346.64 × 73,147.29
  4. Step 4: Simplify right side
    124,150.87x = 12,533,542,366.61
  5. Step 5: Solve for x
    x = 12,533,542,366.61/124,150.87
  6. Step 6: Final answer
    x = 100,954.12

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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.