Home / 154,003.40-231,005.10-94,905.80

Finding the Fourth Proportional to 154,003.40, 231,005.10 and 94,905.80

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Solution

The fourth proportional to 154,003.40, 231,005.10 and 94,905.80 is: 142,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,003.40 : 231,005.10 = 94,905.80 : x
  2. Step 2: Convert to fraction form
    154,003.40/231,005.10 = 94,905.80/x
  3. Step 3: Cross multiply
    154,003.40x = 231,005.10 × 94,905.80
  4. Step 4: Simplify right side
    154,003.40x = 21,923,723,819.58
  5. Step 5: Solve for x
    x = 21,923,723,819.58/154,003.40
  6. Step 6: Final answer
    x = 142,358.70

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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.