Home / 131,354.10-197,065.98-47,122.56

Finding the Fourth Proportional to 131,354.10, 197,065.98 and 47,122.56

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Solution

The fourth proportional to 131,354.10, 197,065.98 and 47,122.56 is: 70,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,354.10 : 197,065.98 = 47,122.56 : x
  2. Step 2: Convert to fraction form
    131,354.10/197,065.98 = 47,122.56/x
  3. Step 3: Cross multiply
    131,354.10x = 197,065.98 × 47,122.56
  4. Step 4: Simplify right side
    131,354.10x = 9,286,253,466.51
  5. Step 5: Solve for x
    x = 9,286,253,466.51/131,354.10
  6. Step 6: Final answer
    x = 70,696.34

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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.