Home / 165,033.12-227,750.40-89,586.48

Finding the Fourth Proportional to 165,033.12, 227,750.40 and 89,586.48

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Solution

The fourth proportional to 165,033.12, 227,750.40 and 89,586.48 is: 123,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,033.12 : 227,750.40 = 89,586.48 : x
  2. Step 2: Convert to fraction form
    165,033.12/227,750.40 = 89,586.48/x
  3. Step 3: Cross multiply
    165,033.12x = 227,750.40 × 89,586.48
  4. Step 4: Simplify right side
    165,033.12x = 20,403,356,654.59
  5. Step 5: Solve for x
    x = 20,403,356,654.59/165,033.12
  6. Step 6: Final answer
    x = 123,631.89

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1.5x scale

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.