Home / 252,442.17-378,302.40-185,355.95

Finding the Fourth Proportional to 252,442.17, 378,302.40 and 185,355.95

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Solution

The fourth proportional to 252,442.17, 378,302.40 and 185,355.95 is: 277,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,442.17 : 378,302.40 = 185,355.95 : x
  2. Step 2: Convert to fraction form
    252,442.17/378,302.40 = 185,355.95/x
  3. Step 3: Cross multiply
    252,442.17x = 378,302.40 × 185,355.95
  4. Step 4: Simplify right side
    252,442.17x = 70,120,598,847.77
  5. Step 5: Solve for x
    x = 70,120,598,847.77/252,442.17
  6. Step 6: Final answer
    x = 277,768.96

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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.