Home / 108,819.35-163,256.57-52,686.35

Finding the Fourth Proportional to 108,819.35, 163,256.57 and 52,686.35

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Solution

The fourth proportional to 108,819.35, 163,256.57 and 52,686.35 is: 79,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,819.35 : 163,256.57 = 52,686.35 : x
  2. Step 2: Convert to fraction form
    108,819.35/163,256.57 = 52,686.35/x
  3. Step 3: Cross multiply
    108,819.35x = 163,256.57 × 52,686.35
  4. Step 4: Simplify right side
    108,819.35x = 8,601,392,523.39
  5. Step 5: Solve for x
    x = 8,601,392,523.39/108,819.35
  6. Step 6: Final answer
    x = 79,042.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.