Home / 131,703.34-197,382.72-52,872.88

Finding the Fourth Proportional to 131,703.34, 197,382.72 and 52,872.88

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Solution

The fourth proportional to 131,703.34, 197,382.72 and 52,872.88 is: 79,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.34 : 197,382.72 = 52,872.88 : x
  2. Step 2: Convert to fraction form
    131,703.34/197,382.72 = 52,872.88/x
  3. Step 3: Cross multiply
    131,703.34x = 197,382.72 × 52,872.88
  4. Step 4: Simplify right side
    131,703.34x = 10,436,192,868.63
  5. Step 5: Solve for x
    x = 10,436,192,868.63/131,703.34
  6. Step 6: Final answer
    x = 79,240.15

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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.