Home / 118,136.43-163,032.36-67,151.30

Finding the Fourth Proportional to 118,136.43, 163,032.36 and 67,151.30

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Solution

The fourth proportional to 118,136.43, 163,032.36 and 67,151.30 is: 92,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,136.43 : 163,032.36 = 67,151.30 : x
  2. Step 2: Convert to fraction form
    118,136.43/163,032.36 = 67,151.30/x
  3. Step 3: Cross multiply
    118,136.43x = 163,032.36 × 67,151.30
  4. Step 4: Simplify right side
    118,136.43x = 10,947,834,916.07
  5. Step 5: Solve for x
    x = 10,947,834,916.07/118,136.43
  6. Step 6: Final answer
    x = 92,671.12

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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.