Home / 186,542.40-279,853.59-60,189.88

Finding the Fourth Proportional to 186,542.40, 279,853.59 and 60,189.88

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Solution

The fourth proportional to 186,542.40, 279,853.59 and 60,189.88 is: 90,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,542.40 : 279,853.59 = 60,189.88 : x
  2. Step 2: Convert to fraction form
    186,542.40/279,853.59 = 60,189.88/x
  3. Step 3: Cross multiply
    186,542.40x = 279,853.59 × 60,189.88
  4. Step 4: Simplify right side
    186,542.40x = 16,844,353,999.67
  5. Step 5: Solve for x
    x = 16,844,353,999.67/186,542.40
  6. Step 6: Final answer
    x = 90,297.72

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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.