Home / 185,828.25-278,837.72-91,056.66

Finding the Fourth Proportional to 185,828.25, 278,837.72 and 91,056.66

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Solution

The fourth proportional to 185,828.25, 278,837.72 and 91,056.66 is: 136,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,828.25 : 278,837.72 = 91,056.66 : x
  2. Step 2: Convert to fraction form
    185,828.25/278,837.72 = 91,056.66/x
  3. Step 3: Cross multiply
    185,828.25x = 278,837.72 × 91,056.66
  4. Step 4: Simplify right side
    185,828.25x = 25,390,030,049.66
  5. Step 5: Solve for x
    x = 25,390,030,049.66/185,828.25
  6. Step 6: Final answer
    x = 136,631.70

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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.