Home / 264,051.60-396,077.40-86,576.55

Finding the Fourth Proportional to 264,051.60, 396,077.40 and 86,576.55

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Solution

The fourth proportional to 264,051.60, 396,077.40 and 86,576.55 is: 129,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,051.60 : 396,077.40 = 86,576.55 : x
  2. Step 2: Convert to fraction form
    264,051.60/396,077.40 = 86,576.55/x
  3. Step 3: Cross multiply
    264,051.60x = 396,077.40 × 86,576.55
  4. Step 4: Simplify right side
    264,051.60x = 34,291,014,824.97
  5. Step 5: Solve for x
    x = 34,291,014,824.97/264,051.60
  6. Step 6: Final answer
    x = 129,864.83

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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.