Home / 118,736.10-163,874.34-67,748.76

Finding the Fourth Proportional to 118,736.10, 163,874.34 and 67,748.76

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Solution

The fourth proportional to 118,736.10, 163,874.34 and 67,748.76 is: 93,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,736.10 : 163,874.34 = 67,748.76 : x
  2. Step 2: Convert to fraction form
    118,736.10/163,874.34 = 67,748.76/x
  3. Step 3: Cross multiply
    118,736.10x = 163,874.34 × 67,748.76
  4. Step 4: Simplify right side
    118,736.10x = 11,102,283,330.82
  5. Step 5: Solve for x
    x = 11,102,283,330.82/118,736.10
  6. Step 6: Final answer
    x = 93,503.86

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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.