Home / 318,056.16-476,773.20-131,201.76

Finding the Fourth Proportional to 318,056.16, 476,773.20 and 131,201.76

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Solution

The fourth proportional to 318,056.16, 476,773.20 and 131,201.76 is: 196,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,056.16 : 476,773.20 = 131,201.76 : x
  2. Step 2: Convert to fraction form
    318,056.16/476,773.20 = 131,201.76/x
  3. Step 3: Cross multiply
    318,056.16x = 476,773.20 × 131,201.76
  4. Step 4: Simplify right side
    318,056.16x = 62,553,482,960.83
  5. Step 5: Solve for x
    x = 62,553,482,960.83/318,056.16
  6. Step 6: Final answer
    x = 196,674.33

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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.