Home / 131,684.51-197,475.74-47,426.69

Finding the Fourth Proportional to 131,684.51, 197,475.74 and 47,426.69

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Solution

The fourth proportional to 131,684.51, 197,475.74 and 47,426.69 is: 71,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,684.51 : 197,475.74 = 47,426.69 : x
  2. Step 2: Convert to fraction form
    131,684.51/197,475.74 = 47,426.69/x
  3. Step 3: Cross multiply
    131,684.51x = 197,475.74 × 47,426.69
  4. Step 4: Simplify right side
    131,684.51x = 9,365,621,137.91
  5. Step 5: Solve for x
    x = 9,365,621,137.91/131,684.51
  6. Step 6: Final answer
    x = 71,121.66

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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.