Home / 151,478.92-209,076.50-94,161.48

Finding the Fourth Proportional to 151,478.92, 209,076.50 and 94,161.48

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Solution

The fourth proportional to 151,478.92, 209,076.50 and 94,161.48 is: 129,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,478.92 : 209,076.50 = 94,161.48 : x
  2. Step 2: Convert to fraction form
    151,478.92/209,076.50 = 94,161.48/x
  3. Step 3: Cross multiply
    151,478.92x = 209,076.50 × 94,161.48
  4. Step 4: Simplify right side
    151,478.92x = 19,686,952,673.22
  5. Step 5: Solve for x
    x = 19,686,952,673.22/151,478.92
  6. Step 6: Final answer
    x = 129,964.97

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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.