Home / 160,187.09-221,041.71-92,190.83

Finding the Fourth Proportional to 160,187.09, 221,041.71 and 92,190.83

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Solution

The fourth proportional to 160,187.09, 221,041.71 and 92,190.83 is: 127,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,187.09 : 221,041.71 = 92,190.83 : x
  2. Step 2: Convert to fraction form
    160,187.09/221,041.71 = 92,190.83/x
  3. Step 3: Cross multiply
    160,187.09x = 221,041.71 × 92,190.83
  4. Step 4: Simplify right side
    160,187.09x = 20,378,017,604.31
  5. Step 5: Solve for x
    x = 20,378,017,604.31/160,187.09
  6. Step 6: Final answer
    x = 127,213.86

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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.