Home / 185,986.72-278,938.16-52,864.03

Finding the Fourth Proportional to 185,986.72, 278,938.16 and 52,864.03

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Solution

The fourth proportional to 185,986.72, 278,938.16 and 52,864.03 is: 79,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,986.72 : 278,938.16 = 52,864.03 : x
  2. Step 2: Convert to fraction form
    185,986.72/278,938.16 = 52,864.03/x
  3. Step 3: Cross multiply
    185,986.72x = 278,938.16 × 52,864.03
  4. Step 4: Simplify right side
    185,986.72x = 14,745,795,258.38
  5. Step 5: Solve for x
    x = 14,745,795,258.38/185,986.72
  6. Step 6: Final answer
    x = 79,284.13

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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.