Home / 131,767.63-197,688.39-52,937.21

Finding the Fourth Proportional to 131,767.63, 197,688.39 and 52,937.21

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Solution

The fourth proportional to 131,767.63, 197,688.39 and 52,937.21 is: 79,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,767.63 : 197,688.39 = 52,937.21 : x
  2. Step 2: Convert to fraction form
    131,767.63/197,688.39 = 52,937.21/x
  3. Step 3: Cross multiply
    131,767.63x = 197,688.39 × 52,937.21
  4. Step 4: Simplify right side
    131,767.63x = 10,465,071,815.99
  5. Step 5: Solve for x
    x = 10,465,071,815.99/131,767.63
  6. Step 6: Final answer
    x = 79,420.66

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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.