Home / 185,540.00-278,328.23-52,421.30

Finding the Fourth Proportional to 185,540.00, 278,328.23 and 52,421.30

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Solution

The fourth proportional to 185,540.00, 278,328.23 and 52,421.30 is: 78,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,540.00 : 278,328.23 = 52,421.30 : x
  2. Step 2: Convert to fraction form
    185,540.00/278,328.23 = 52,421.30/x
  3. Step 3: Cross multiply
    185,540.00x = 278,328.23 × 52,421.30
  4. Step 4: Simplify right side
    185,540.00x = 14,590,325,989.55
  5. Step 5: Solve for x
    x = 14,590,325,989.55/185,540.00
  6. Step 6: Final answer
    x = 78,637.09

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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.