Home / 118,217.90-163,008.18-96,640.58

Finding the Fourth Proportional to 118,217.90, 163,008.18 and 96,640.58

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Solution

The fourth proportional to 118,217.90, 163,008.18 and 96,640.58 is: 133,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,217.90 : 163,008.18 = 96,640.58 : x
  2. Step 2: Convert to fraction form
    118,217.90/163,008.18 = 96,640.58/x
  3. Step 3: Cross multiply
    118,217.90x = 163,008.18 × 96,640.58
  4. Step 4: Simplify right side
    118,217.90x = 15,753,205,059.94
  5. Step 5: Solve for x
    x = 15,753,205,059.94/118,217.90
  6. Step 6: Final answer
    x = 133,255.67

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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.