Home / 369,011.44-553,517.70-102,772.72

Finding the Fourth Proportional to 369,011.44, 553,517.70 and 102,772.72

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Solution

The fourth proportional to 369,011.44, 553,517.70 and 102,772.72 is: 154,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,011.44 : 553,517.70 = 102,772.72 : x
  2. Step 2: Convert to fraction form
    369,011.44/553,517.70 = 102,772.72/x
  3. Step 3: Cross multiply
    369,011.44x = 553,517.70 × 102,772.72
  4. Step 4: Simplify right side
    369,011.44x = 56,886,519,597.14
  5. Step 5: Solve for x
    x = 56,886,519,597.14/369,011.44
  6. Step 6: Final answer
    x = 154,159.23

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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.