Home / 213,142.24-294,136.32-117,648.96

Finding the Fourth Proportional to 213,142.24, 294,136.32 and 117,648.96

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Solution

The fourth proportional to 213,142.24, 294,136.32 and 117,648.96 is: 162,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,142.24 : 294,136.32 = 117,648.96 : x
  2. Step 2: Convert to fraction form
    213,142.24/294,136.32 = 117,648.96/x
  3. Step 3: Cross multiply
    213,142.24x = 294,136.32 × 117,648.96
  4. Step 4: Simplify right side
    213,142.24x = 34,604,832,146.23
  5. Step 5: Solve for x
    x = 34,604,832,146.23/213,142.24
  6. Step 6: Final answer
    x = 162,355.58

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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.