Home / 115,634.27-159,601.96-75,277.74

Finding the Fourth Proportional to 115,634.27, 159,601.96 and 75,277.74

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Solution

The fourth proportional to 115,634.27, 159,601.96 and 75,277.74 is: 103,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,634.27 : 159,601.96 = 75,277.74 : x
  2. Step 2: Convert to fraction form
    115,634.27/159,601.96 = 75,277.74/x
  3. Step 3: Cross multiply
    115,634.27x = 159,601.96 × 75,277.74
  4. Step 4: Simplify right side
    115,634.27x = 12,014,474,848.37
  5. Step 5: Solve for x
    x = 12,014,474,848.37/115,634.27
  6. Step 6: Final answer
    x = 103,900.64

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1.5x scale

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.