Home / 127,616.80-191,410.60-34,129.84

Finding the Fourth Proportional to 127,616.80, 191,410.60 and 34,129.84

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Solution

The fourth proportional to 127,616.80, 191,410.60 and 34,129.84 is: 51,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.80 : 191,410.60 = 34,129.84 : x
  2. Step 2: Convert to fraction form
    127,616.80/191,410.60 = 34,129.84/x
  3. Step 3: Cross multiply
    127,616.80x = 191,410.60 × 34,129.84
  4. Step 4: Simplify right side
    127,616.80x = 6,532,813,152.30
  5. Step 5: Solve for x
    x = 6,532,813,152.30/127,616.80
  6. Step 6: Final answer
    x = 51,190.86

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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.