Home / 105,462.08-158,193.78-43,132.58

Finding the Fourth Proportional to 105,462.08, 158,193.78 and 43,132.58

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Solution

The fourth proportional to 105,462.08, 158,193.78 and 43,132.58 is: 64,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,462.08 : 158,193.78 = 43,132.58 : x
  2. Step 2: Convert to fraction form
    105,462.08/158,193.78 = 43,132.58/x
  3. Step 3: Cross multiply
    105,462.08x = 158,193.78 × 43,132.58
  4. Step 4: Simplify right side
    105,462.08x = 6,823,305,871.35
  5. Step 5: Solve for x
    x = 6,823,305,871.35/105,462.08
  6. Step 6: Final answer
    x = 64,699.14

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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.