Home / 189,824.36-284,815.13-83,153.20

Finding the Fourth Proportional to 189,824.36, 284,815.13 and 83,153.20

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Solution

The fourth proportional to 189,824.36, 284,815.13 and 83,153.20 is: 124,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.36 : 284,815.13 = 83,153.20 : x
  2. Step 2: Convert to fraction form
    189,824.36/284,815.13 = 83,153.20/x
  3. Step 3: Cross multiply
    189,824.36x = 284,815.13 × 83,153.20
  4. Step 4: Simplify right side
    189,824.36x = 23,683,289,052.15
  5. Step 5: Solve for x
    x = 23,683,289,052.15/189,824.36
  6. Step 6: Final answer
    x = 124,764.23

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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.