Home / 152,110.20-228,197.70-46,939.80

Finding the Fourth Proportional to 152,110.20, 228,197.70 and 46,939.80

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Solution

The fourth proportional to 152,110.20, 228,197.70 and 46,939.80 is: 70,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,110.20 : 228,197.70 = 46,939.80 : x
  2. Step 2: Convert to fraction form
    152,110.20/228,197.70 = 46,939.80/x
  3. Step 3: Cross multiply
    152,110.20x = 228,197.70 × 46,939.80
  4. Step 4: Simplify right side
    152,110.20x = 10,711,554,398.46
  5. Step 5: Solve for x
    x = 10,711,554,398.46/152,110.20
  6. Step 6: Final answer
    x = 70,419.70

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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.