Home / 192,701.28-289,058.27-66,340.22

Finding the Fourth Proportional to 192,701.28, 289,058.27 and 66,340.22

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Solution

The fourth proportional to 192,701.28, 289,058.27 and 66,340.22 is: 99,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,701.28 : 289,058.27 = 66,340.22 : x
  2. Step 2: Convert to fraction form
    192,701.28/289,058.27 = 66,340.22/x
  3. Step 3: Cross multiply
    192,701.28x = 289,058.27 × 66,340.22
  4. Step 4: Simplify right side
    192,701.28x = 19,176,187,820.79
  5. Step 5: Solve for x
    x = 19,176,187,820.79/192,701.28
  6. Step 6: Final answer
    x = 99,512.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.