Home / 484,325.19-726,236.06-142,723.81

Finding the Fourth Proportional to 484,325.19, 726,236.06 and 142,723.81

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Solution

The fourth proportional to 484,325.19, 726,236.06 and 142,723.81 is: 214,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,325.19 : 726,236.06 = 142,723.81 : x
  2. Step 2: Convert to fraction form
    484,325.19/726,236.06 = 142,723.81/x
  3. Step 3: Cross multiply
    484,325.19x = 726,236.06 × 142,723.81
  4. Step 4: Simplify right side
    484,325.19x = 103,651,177,442.59
  5. Step 5: Solve for x
    x = 103,651,177,442.59/484,325.19
  6. Step 6: Final answer
    x = 214,011.54

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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.