Home / 113,101.11-169,659.90-38,196.36

Finding the Fourth Proportional to 113,101.11, 169,659.90 and 38,196.36

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Solution

The fourth proportional to 113,101.11, 169,659.90 and 38,196.36 is: 57,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,101.11 : 169,659.90 = 38,196.36 : x
  2. Step 2: Convert to fraction form
    113,101.11/169,659.90 = 38,196.36/x
  3. Step 3: Cross multiply
    113,101.11x = 169,659.90 × 38,196.36
  4. Step 4: Simplify right side
    113,101.11x = 6,480,390,617.96
  5. Step 5: Solve for x
    x = 6,480,390,617.96/113,101.11
  6. Step 6: Final answer
    x = 57,297.32

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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.