Home / 132,857.82-199,381.50-73,740.78

Finding the Fourth Proportional to 132,857.82, 199,381.50 and 73,740.78

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Solution

The fourth proportional to 132,857.82, 199,381.50 and 73,740.78 is: 110,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857.82 : 199,381.50 = 73,740.78 : x
  2. Step 2: Convert to fraction form
    132,857.82/199,381.50 = 73,740.78/x
  3. Step 3: Cross multiply
    132,857.82x = 199,381.50 × 73,740.78
  4. Step 4: Simplify right side
    132,857.82x = 14,702,547,327.57
  5. Step 5: Solve for x
    x = 14,702,547,327.57/132,857.82
  6. Step 6: Final answer
    x = 110,663.77

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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.