Home / 129,236.10-193,774.77-50,258.31

Finding the Fourth Proportional to 129,236.10, 193,774.77 and 50,258.31

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Solution

The fourth proportional to 129,236.10, 193,774.77 and 50,258.31 is: 75,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,236.10 : 193,774.77 = 50,258.31 : x
  2. Step 2: Convert to fraction form
    129,236.10/193,774.77 = 50,258.31/x
  3. Step 3: Cross multiply
    129,236.10x = 193,774.77 × 50,258.31
  4. Step 4: Simplify right side
    129,236.10x = 9,738,792,460.84
  5. Step 5: Solve for x
    x = 9,738,792,460.84/129,236.10
  6. Step 6: Final answer
    x = 75,356.60

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1.5x scale

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.