Home / 185,987.22-278,938.91-52,864.53

Finding the Fourth Proportional to 185,987.22, 278,938.91 and 52,864.53

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Solution

The fourth proportional to 185,987.22, 278,938.91 and 52,864.53 is: 79,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,987.22 : 278,938.91 = 52,864.53 : x
  2. Step 2: Convert to fraction form
    185,987.22/278,938.91 = 52,864.53/x
  3. Step 3: Cross multiply
    185,987.22x = 278,938.91 × 52,864.53
  4. Step 4: Simplify right side
    185,987.22x = 14,745,974,111.54
  5. Step 5: Solve for x
    x = 14,745,974,111.54/185,987.22
  6. Step 6: Final answer
    x = 79,284.88

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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.