Home / 146,631.60-202,353.96-79,563.60

Finding the Fourth Proportional to 146,631.60, 202,353.96 and 79,563.60

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Solution

The fourth proportional to 146,631.60, 202,353.96 and 79,563.60 is: 109,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,631.60 : 202,353.96 = 79,563.60 : x
  2. Step 2: Convert to fraction form
    146,631.60/202,353.96 = 79,563.60/x
  3. Step 3: Cross multiply
    146,631.60x = 202,353.96 × 79,563.60
  4. Step 4: Simplify right side
    146,631.60x = 16,100,009,531.86
  5. Step 5: Solve for x
    x = 16,100,009,531.86/146,631.60
  6. Step 6: Final answer
    x = 109,799.04

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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.