Home / 195,158.20-292,269.48-100,138.32

Finding the Fourth Proportional to 195,158.20, 292,269.48 and 100,138.32

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Solution

The fourth proportional to 195,158.20, 292,269.48 and 100,138.32 is: 149,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,158.20 : 292,269.48 = 100,138.32 : x
  2. Step 2: Convert to fraction form
    195,158.20/292,269.48 = 100,138.32/x
  3. Step 3: Cross multiply
    195,158.20x = 292,269.48 × 100,138.32
  4. Step 4: Simplify right side
    195,158.20x = 29,267,374,714.47
  5. Step 5: Solve for x
    x = 29,267,374,714.47/195,158.20
  6. Step 6: Final answer
    x = 149,967.44

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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.