Home / 160,100.71-220,932.97-92,128.19

Finding the Fourth Proportional to 160,100.71, 220,932.97 and 92,128.19

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Solution

The fourth proportional to 160,100.71, 220,932.97 and 92,128.19 is: 127,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,100.71 : 220,932.97 = 92,128.19 : x
  2. Step 2: Convert to fraction form
    160,100.71/220,932.97 = 92,128.19/x
  3. Step 3: Cross multiply
    160,100.71x = 220,932.97 × 92,128.19
  4. Step 4: Simplify right side
    160,100.71x = 20,354,153,302.44
  5. Step 5: Solve for x
    x = 20,354,153,302.44/160,100.71
  6. Step 6: Final answer
    x = 127,133.44

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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.