Home / 149,322.90-206,050.65-91,953.03

Finding the Fourth Proportional to 149,322.90, 206,050.65 and 91,953.03

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Solution

The fourth proportional to 149,322.90, 206,050.65 and 91,953.03 is: 126,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,322.90 : 206,050.65 = 91,953.03 : x
  2. Step 2: Convert to fraction form
    149,322.90/206,050.65 = 91,953.03/x
  3. Step 3: Cross multiply
    149,322.90x = 206,050.65 × 91,953.03
  4. Step 4: Simplify right side
    149,322.90x = 18,946,981,600.97
  5. Step 5: Solve for x
    x = 18,946,981,600.97/149,322.90
  6. Step 6: Final answer
    x = 126,885.97

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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.