Home / 118,341.25-163,324.89-66,660.03

Finding the Fourth Proportional to 118,341.25, 163,324.89 and 66,660.03

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Solution

The fourth proportional to 118,341.25, 163,324.89 and 66,660.03 is: 91,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341.25 : 163,324.89 = 66,660.03 : x
  2. Step 2: Convert to fraction form
    118,341.25/163,324.89 = 66,660.03/x
  3. Step 3: Cross multiply
    118,341.25x = 163,324.89 × 66,660.03
  4. Step 4: Simplify right side
    118,341.25x = 10,887,241,733.85
  5. Step 5: Solve for x
    x = 10,887,241,733.85/118,341.25
  6. Step 6: Final answer
    x = 91,998.71

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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.