Home / 131,776.05-197,662.33-31,937.11

Finding the Fourth Proportional to 131,776.05, 197,662.33 and 31,937.11

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Solution

The fourth proportional to 131,776.05, 197,662.33 and 31,937.11 is: 47,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,776.05 : 197,662.33 = 31,937.11 : x
  2. Step 2: Convert to fraction form
    131,776.05/197,662.33 = 31,937.11/x
  3. Step 3: Cross multiply
    131,776.05x = 197,662.33 × 31,937.11
  4. Step 4: Simplify right side
    131,776.05x = 6,312,762,428.07
  5. Step 5: Solve for x
    x = 6,312,762,428.07/131,776.05
  6. Step 6: Final answer
    x = 47,905.23

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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.