Home / 146,845.90-220,123.05-67,822.30

Finding the Fourth Proportional to 146,845.90, 220,123.05 and 67,822.30

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Solution

The fourth proportional to 146,845.90, 220,123.05 and 67,822.30 is: 101,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,845.90 : 220,123.05 = 67,822.30 : x
  2. Step 2: Convert to fraction form
    146,845.90/220,123.05 = 67,822.30/x
  3. Step 3: Cross multiply
    146,845.90x = 220,123.05 × 67,822.30
  4. Step 4: Simplify right side
    146,845.90x = 14,929,251,534.02
  5. Step 5: Solve for x
    x = 14,929,251,534.02/146,845.90
  6. Step 6: Final answer
    x = 101,666.11

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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.