Home / 186,964.56-258,011-102,081.62

Finding the Fourth Proportional to 186,964.56, 258,011 and 102,081.62

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Solution

The fourth proportional to 186,964.56, 258,011 and 102,081.62 is: 140,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,964.56 : 258,011 = 102,081.62 : x
  2. Step 2: Convert to fraction form
    186,964.56/258,011 = 102,081.62/x
  3. Step 3: Cross multiply
    186,964.56x = 258,011 × 102,081.62
  4. Step 4: Simplify right side
    186,964.56x = 26,338,180,857.82
  5. Step 5: Solve for x
    x = 26,338,180,857.82/186,964.56
  6. Step 6: Final answer
    x = 140,872.58

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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.