Home / 154,052.40-231,086.80-48,879.60

Finding the Fourth Proportional to 154,052.40, 231,086.80 and 48,879.60

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Solution

The fourth proportional to 154,052.40, 231,086.80 and 48,879.60 is: 73,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,052.40 : 231,086.80 = 48,879.60 : x
  2. Step 2: Convert to fraction form
    154,052.40/231,086.80 = 48,879.60/x
  3. Step 3: Cross multiply
    154,052.40x = 231,086.80 × 48,879.60
  4. Step 4: Simplify right side
    154,052.40x = 11,295,430,349.28
  5. Step 5: Solve for x
    x = 11,295,430,349.28/154,052.40
  6. Step 6: Final answer
    x = 73,322.00

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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.