Home / 134,667.96-185,854.92-100,617.36

Finding the Fourth Proportional to 134,667.96, 185,854.92 and 100,617.36

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Solution

The fourth proportional to 134,667.96, 185,854.92 and 100,617.36 is: 138,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.96 : 185,854.92 = 100,617.36 : x
  2. Step 2: Convert to fraction form
    134,667.96/185,854.92 = 100,617.36/x
  3. Step 3: Cross multiply
    134,667.96x = 185,854.92 × 100,617.36
  4. Step 4: Simplify right side
    134,667.96x = 18,700,231,393.41
  5. Step 5: Solve for x
    x = 18,700,231,393.41/134,667.96
  6. Step 6: Final answer
    x = 138,861.77

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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.