Home / 134,844.30-202,323.15-72,441.90

Finding the Fourth Proportional to 134,844.30, 202,323.15 and 72,441.90

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Solution

The fourth proportional to 134,844.30, 202,323.15 and 72,441.90 is: 108,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,844.30 : 202,323.15 = 72,441.90 : x
  2. Step 2: Convert to fraction form
    134,844.30/202,323.15 = 72,441.90/x
  3. Step 3: Cross multiply
    134,844.30x = 202,323.15 × 72,441.90
  4. Step 4: Simplify right side
    134,844.30x = 14,656,673,399.99
  5. Step 5: Solve for x
    x = 14,656,673,399.99/134,844.30
  6. Step 6: Final answer
    x = 108,693.31

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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.