Home / 131,212.14-181,097.48-82,176.49

Finding the Fourth Proportional to 131,212.14, 181,097.48 and 82,176.49

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Solution

The fourth proportional to 131,212.14, 181,097.48 and 82,176.49 is: 113,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,212.14 : 181,097.48 = 82,176.49 : x
  2. Step 2: Convert to fraction form
    131,212.14/181,097.48 = 82,176.49/x
  3. Step 3: Cross multiply
    131,212.14x = 181,097.48 × 82,176.49
  4. Step 4: Simplify right side
    131,212.14x = 14,881,955,254.25
  5. Step 5: Solve for x
    x = 14,881,955,254.25/131,212.14
  6. Step 6: Final answer
    x = 113,419.04

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1.5x scale

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.