Home / 118,137.43-163,033.74-67,152.30

Finding the Fourth Proportional to 118,137.43, 163,033.74 and 67,152.30

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Solution

The fourth proportional to 118,137.43, 163,033.74 and 67,152.30 is: 92,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,137.43 : 163,033.74 = 67,152.30 : x
  2. Step 2: Convert to fraction form
    118,137.43/163,033.74 = 67,152.30/x
  3. Step 3: Cross multiply
    118,137.43x = 163,033.74 × 67,152.30
  4. Step 4: Simplify right side
    118,137.43x = 10,948,090,618.60
  5. Step 5: Solve for x
    x = 10,948,090,618.60/118,137.43
  6. Step 6: Final answer
    x = 92,672.50

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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.