Home / 152,035.20-228,052.80-89,049.60

Finding the Fourth Proportional to 152,035.20, 228,052.80 and 89,049.60

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Solution

The fourth proportional to 152,035.20, 228,052.80 and 89,049.60 is: 133,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,035.20 : 228,052.80 = 89,049.60 : x
  2. Step 2: Convert to fraction form
    152,035.20/228,052.80 = 89,049.60/x
  3. Step 3: Cross multiply
    152,035.20x = 228,052.80 × 89,049.60
  4. Step 4: Simplify right side
    152,035.20x = 20,308,010,618.88
  5. Step 5: Solve for x
    x = 20,308,010,618.88/152,035.20
  6. Step 6: Final answer
    x = 133,574.40

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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.