Home / 153,793.20-212,102.06-100,058.60

Finding the Fourth Proportional to 153,793.20, 212,102.06 and 100,058.60

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Solution

The fourth proportional to 153,793.20, 212,102.06 and 100,058.60 is: 137,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.20 : 212,102.06 = 100,058.60 : x
  2. Step 2: Convert to fraction form
    153,793.20/212,102.06 = 100,058.60/x
  3. Step 3: Cross multiply
    153,793.20x = 212,102.06 × 100,058.60
  4. Step 4: Simplify right side
    153,793.20x = 21,222,635,180.72
  5. Step 5: Solve for x
    x = 21,222,635,180.72/153,793.20
  6. Step 6: Final answer
    x = 137,994.63

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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.