Home / 127,777.28-191,629.01-43,535.58

Finding the Fourth Proportional to 127,777.28, 191,629.01 and 43,535.58

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Solution

The fourth proportional to 127,777.28, 191,629.01 and 43,535.58 is: 65,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,777.28 : 191,629.01 = 43,535.58 : x
  2. Step 2: Convert to fraction form
    127,777.28/191,629.01 = 43,535.58/x
  3. Step 3: Cross multiply
    127,777.28x = 191,629.01 × 43,535.58
  4. Step 4: Simplify right side
    127,777.28x = 8,342,679,240.52
  5. Step 5: Solve for x
    x = 8,342,679,240.52/127,777.28
  6. Step 6: Final answer
    x = 65,290.79

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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.