Home / 160,532.08-221,683.18-120,175.78

Finding the Fourth Proportional to 160,532.08, 221,683.18 and 120,175.78

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Solution

The fourth proportional to 160,532.08, 221,683.18 and 120,175.78 is: 165,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,532.08 : 221,683.18 = 120,175.78 : x
  2. Step 2: Convert to fraction form
    160,532.08/221,683.18 = 120,175.78/x
  3. Step 3: Cross multiply
    160,532.08x = 221,683.18 × 120,175.78
  4. Step 4: Simplify right side
    160,532.08x = 26,640,947,660.53
  5. Step 5: Solve for x
    x = 26,640,947,660.53/160,532.08
  6. Step 6: Final answer
    x = 165,954.05

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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.