Home / 118,269.30-163,205.64-64,553.88

Finding the Fourth Proportional to 118,269.30, 163,205.64 and 64,553.88

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Solution

The fourth proportional to 118,269.30, 163,205.64 and 64,553.88 is: 89,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.30 : 163,205.64 = 64,553.88 : x
  2. Step 2: Convert to fraction form
    118,269.30/163,205.64 = 64,553.88/x
  3. Step 3: Cross multiply
    118,269.30x = 163,205.64 × 64,553.88
  4. Step 4: Simplify right side
    118,269.30x = 10,535,557,299.88
  5. Step 5: Solve for x
    x = 10,535,557,299.88/118,269.30
  6. Step 6: Final answer
    x = 89,081.08

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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.