Home / 118,145.44-163,044.78-67,160.30

Finding the Fourth Proportional to 118,145.44, 163,044.78 and 67,160.30

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Solution

The fourth proportional to 118,145.44, 163,044.78 and 67,160.30 is: 92,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145.44 : 163,044.78 = 67,160.30 : x
  2. Step 2: Convert to fraction form
    118,145.44/163,044.78 = 67,160.30/x
  3. Step 3: Cross multiply
    118,145.44x = 163,044.78 × 67,160.30
  4. Step 4: Simplify right side
    118,145.44x = 10,950,136,338.23
  5. Step 5: Solve for x
    x = 10,950,136,338.23/118,145.44
  6. Step 6: Final answer
    x = 92,683.53

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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.