Home / 369,011.70-553,517.55-132,268.95

Finding the Fourth Proportional to 369,011.70, 553,517.55 and 132,268.95

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Solution

The fourth proportional to 369,011.70, 553,517.55 and 132,268.95 is: 198,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,011.70 : 553,517.55 = 132,268.95 : x
  2. Step 2: Convert to fraction form
    369,011.70/553,517.55 = 132,268.95/x
  3. Step 3: Cross multiply
    369,011.70x = 553,517.55 × 132,268.95
  4. Step 4: Simplify right side
    369,011.70x = 73,213,185,145.07
  5. Step 5: Solve for x
    x = 73,213,185,145.07/369,011.70
  6. Step 6: Final answer
    x = 198,403.43

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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.