Home / 131,955.14-182,093.52-78,208.22

Finding the Fourth Proportional to 131,955.14, 182,093.52 and 78,208.22

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Solution

The fourth proportional to 131,955.14, 182,093.52 and 78,208.22 is: 107,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,955.14 : 182,093.52 = 78,208.22 : x
  2. Step 2: Convert to fraction form
    131,955.14/182,093.52 = 78,208.22/x
  3. Step 3: Cross multiply
    131,955.14x = 182,093.52 × 78,208.22
  4. Step 4: Simplify right side
    131,955.14x = 14,241,210,072.73
  5. Step 5: Solve for x
    x = 14,241,210,072.73/131,955.14
  6. Step 6: Final answer
    x = 107,924.63

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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.