Home / 369,743.85-554,677.05-129,795.48

Finding the Fourth Proportional to 369,743.85, 554,677.05 and 129,795.48

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Solution

The fourth proportional to 369,743.85, 554,677.05 and 129,795.48 is: 194,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,743.85 : 554,677.05 = 129,795.48 : x
  2. Step 2: Convert to fraction form
    369,743.85/554,677.05 = 129,795.48/x
  3. Step 3: Cross multiply
    369,743.85x = 554,677.05 × 129,795.48
  4. Step 4: Simplify right side
    369,743.85x = 71,994,573,949.73
  5. Step 5: Solve for x
    x = 71,994,573,949.73/369,743.85
  6. Step 6: Final answer
    x = 194,714.73

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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.