Home / 285,175.22-427,730.00-74,829.56

Finding the Fourth Proportional to 285,175.22, 427,730.00 and 74,829.56

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Solution

The fourth proportional to 285,175.22, 427,730.00 and 74,829.56 is: 112,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,175.22 : 427,730.00 = 74,829.56 : x
  2. Step 2: Convert to fraction form
    285,175.22/427,730.00 = 74,829.56/x
  3. Step 3: Cross multiply
    285,175.22x = 427,730.00 × 74,829.56
  4. Step 4: Simplify right side
    285,175.22x = 32,006,845,186.00
  5. Step 5: Solve for x
    x = 32,006,845,186.00/285,175.22
  6. Step 6: Final answer
    x = 112,235.72

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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.