Home / 369,517.21-554,103.53-191,976.55

Finding the Fourth Proportional to 369,517.21, 554,103.53 and 191,976.55

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Solution

The fourth proportional to 369,517.21, 554,103.53 and 191,976.55 is: 287,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,517.21 : 554,103.53 = 191,976.55 : x
  2. Step 2: Convert to fraction form
    369,517.21/554,103.53 = 191,976.55/x
  3. Step 3: Cross multiply
    369,517.21x = 554,103.53 × 191,976.55
  4. Step 4: Simplify right side
    369,517.21x = 106,374,884,032.22
  5. Step 5: Solve for x
    x = 106,374,884,032.22/369,517.21
  6. Step 6: Final answer
    x = 287,875.32

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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.