Home / 119,822.92-165,354.52-66,108.40

Finding the Fourth Proportional to 119,822.92, 165,354.52 and 66,108.40

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Solution

The fourth proportional to 119,822.92, 165,354.52 and 66,108.40 is: 91,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,822.92 : 165,354.52 = 66,108.40 : x
  2. Step 2: Convert to fraction form
    119,822.92/165,354.52 = 66,108.40/x
  3. Step 3: Cross multiply
    119,822.92x = 165,354.52 × 66,108.40
  4. Step 4: Simplify right side
    119,822.92x = 10,931,322,749.97
  5. Step 5: Solve for x
    x = 10,931,322,749.97/119,822.92
  6. Step 6: Final answer
    x = 91,228.98

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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.