Home / 106,241.02-159,303.20-72,969.46

Finding the Fourth Proportional to 106,241.02, 159,303.20 and 72,969.46

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Solution

The fourth proportional to 106,241.02, 159,303.20 and 72,969.46 is: 109,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,241.02 : 159,303.20 = 72,969.46 : x
  2. Step 2: Convert to fraction form
    106,241.02/159,303.20 = 72,969.46/x
  3. Step 3: Cross multiply
    106,241.02x = 159,303.20 × 72,969.46
  4. Step 4: Simplify right side
    106,241.02x = 11,624,268,480.27
  5. Step 5: Solve for x
    x = 11,624,268,480.27/106,241.02
  6. Step 6: Final answer
    x = 109,414.13

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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.