Home / 154,416.70-231,625.05-147,199.60

Finding the Fourth Proportional to 154,416.70, 231,625.05 and 147,199.60

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Solution

The fourth proportional to 154,416.70, 231,625.05 and 147,199.60 is: 220,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.70 : 231,625.05 = 147,199.60 : x
  2. Step 2: Convert to fraction form
    154,416.70/231,625.05 = 147,199.60/x
  3. Step 3: Cross multiply
    154,416.70x = 231,625.05 × 147,199.60
  4. Step 4: Simplify right side
    154,416.70x = 34,095,114,709.98
  5. Step 5: Solve for x
    x = 34,095,114,709.98/154,416.70
  6. Step 6: Final answer
    x = 220,799.40

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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.