Home / 131,496.11-181,465.46-71,066.61

Finding the Fourth Proportional to 131,496.11, 181,465.46 and 71,066.61

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Solution

The fourth proportional to 131,496.11, 181,465.46 and 71,066.61 is: 98,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496.11 : 181,465.46 = 71,066.61 : x
  2. Step 2: Convert to fraction form
    131,496.11/181,465.46 = 71,066.61/x
  3. Step 3: Cross multiply
    131,496.11x = 181,465.46 × 71,066.61
  4. Step 4: Simplify right side
    131,496.11x = 12,896,134,620.63
  5. Step 5: Solve for x
    x = 12,896,134,620.63/131,496.11
  6. Step 6: Final answer
    x = 98,072.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.