Home / 185,070.12-277,428.60-85,297.56

Finding the Fourth Proportional to 185,070.12, 277,428.60 and 85,297.56

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Solution

The fourth proportional to 185,070.12, 277,428.60 and 85,297.56 is: 127,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,070.12 : 277,428.60 = 85,297.56 : x
  2. Step 2: Convert to fraction form
    185,070.12/277,428.60 = 85,297.56/x
  3. Step 3: Cross multiply
    185,070.12x = 277,428.60 × 85,297.56
  4. Step 4: Simplify right side
    185,070.12x = 23,663,982,654.22
  5. Step 5: Solve for x
    x = 23,663,982,654.22/185,070.12
  6. Step 6: Final answer
    x = 127,864.96

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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.