Home / 136,548.76-204,682.40-52,285.90

Finding the Fourth Proportional to 136,548.76, 204,682.40 and 52,285.90

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Solution

The fourth proportional to 136,548.76, 204,682.40 and 52,285.90 is: 78,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,548.76 : 204,682.40 = 52,285.90 : x
  2. Step 2: Convert to fraction form
    136,548.76/204,682.40 = 52,285.90/x
  3. Step 3: Cross multiply
    136,548.76x = 204,682.40 × 52,285.90
  4. Step 4: Simplify right side
    136,548.76x = 10,702,003,498.16
  5. Step 5: Solve for x
    x = 10,702,003,498.16/136,548.76
  6. Step 6: Final answer
    x = 78,374.96

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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.