Home / 122,003.76-168,333.25-70,308.20

Finding the Fourth Proportional to 122,003.76, 168,333.25 and 70,308.20

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Solution

The fourth proportional to 122,003.76, 168,333.25 and 70,308.20 is: 97,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,003.76 : 168,333.25 = 70,308.20 : x
  2. Step 2: Convert to fraction form
    122,003.76/168,333.25 = 70,308.20/x
  3. Step 3: Cross multiply
    122,003.76x = 168,333.25 × 70,308.20
  4. Step 4: Simplify right side
    122,003.76x = 11,835,206,614.44
  5. Step 5: Solve for x
    x = 11,835,206,614.44/122,003.76
  6. Step 6: Final answer
    x = 97,006.90

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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.