Home / 149,518.68-206,325.36-84,117.36

Finding the Fourth Proportional to 149,518.68, 206,325.36 and 84,117.36

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Solution

The fourth proportional to 149,518.68, 206,325.36 and 84,117.36 is: 116,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518.68 : 206,325.36 = 84,117.36 : x
  2. Step 2: Convert to fraction form
    149,518.68/206,325.36 = 84,117.36/x
  3. Step 3: Cross multiply
    149,518.68x = 206,325.36 × 84,117.36
  4. Step 4: Simplify right side
    149,518.68x = 17,355,544,584.25
  5. Step 5: Solve for x
    x = 17,355,544,584.25/149,518.68
  6. Step 6: Final answer
    x = 116,076.10

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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.