Home / 146,945.60-220,335.42-134,406.80

Finding the Fourth Proportional to 146,945.60, 220,335.42 and 134,406.80

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Solution

The fourth proportional to 146,945.60, 220,335.42 and 134,406.80 is: 201,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,945.60 : 220,335.42 = 134,406.80 : x
  2. Step 2: Convert to fraction form
    146,945.60/220,335.42 = 134,406.80/x
  3. Step 3: Cross multiply
    146,945.60x = 220,335.42 × 134,406.80
  4. Step 4: Simplify right side
    146,945.60x = 29,614,578,728.86
  5. Step 5: Solve for x
    x = 29,614,578,728.86/146,945.60
  6. Step 6: Final answer
    x = 201,534.30

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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.