Home / 160,315.28-221,223.39-88,696.49

Finding the Fourth Proportional to 160,315.28, 221,223.39 and 88,696.49

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Solution

The fourth proportional to 160,315.28, 221,223.39 and 88,696.49 is: 122,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,315.28 : 221,223.39 = 88,696.49 : x
  2. Step 2: Convert to fraction form
    160,315.28/221,223.39 = 88,696.49/x
  3. Step 3: Cross multiply
    160,315.28x = 221,223.39 × 88,696.49
  4. Step 4: Simplify right side
    160,315.28x = 19,621,738,198.90
  5. Step 5: Solve for x
    x = 19,621,738,198.90/160,315.28
  6. Step 6: Final answer
    x = 122,394.69

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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.