Home / 134,211.75-185,215.75-73,783.92

Finding the Fourth Proportional to 134,211.75, 185,215.75 and 73,783.92

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Solution

The fourth proportional to 134,211.75, 185,215.75 and 73,783.92 is: 101,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.75 : 185,215.75 = 73,783.92 : x
  2. Step 2: Convert to fraction form
    134,211.75/185,215.75 = 73,783.92/x
  3. Step 3: Cross multiply
    134,211.75x = 185,215.75 × 73,783.92
  4. Step 4: Simplify right side
    134,211.75x = 13,665,942,785.74
  5. Step 5: Solve for x
    x = 13,665,942,785.74/134,211.75
  6. Step 6: Final answer
    x = 101,823.74

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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.