Home / 213,153.53-294,151.82-117,660.20

Finding the Fourth Proportional to 213,153.53, 294,151.82 and 117,660.20

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Solution

The fourth proportional to 213,153.53, 294,151.82 and 117,660.20 is: 162,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,153.53 : 294,151.82 = 117,660.20 : x
  2. Step 2: Convert to fraction form
    213,153.53/294,151.82 = 117,660.20/x
  3. Step 3: Cross multiply
    213,153.53x = 294,151.82 × 117,660.20
  4. Step 4: Simplify right side
    213,153.53x = 34,609,959,912.50
  5. Step 5: Solve for x
    x = 34,609,959,912.50/213,153.53
  6. Step 6: Final answer
    x = 162,371.04

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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.