Home / 369,143.34-553,616.73-132,450.54

Finding the Fourth Proportional to 369,143.34, 553,616.73 and 132,450.54

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Solution

The fourth proportional to 369,143.34, 553,616.73 and 132,450.54 is: 198,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,143.34 : 553,616.73 = 132,450.54 : x
  2. Step 2: Convert to fraction form
    369,143.34/553,616.73 = 132,450.54/x
  3. Step 3: Cross multiply
    369,143.34x = 553,616.73 × 132,450.54
  4. Step 4: Simplify right side
    369,143.34x = 73,326,834,841.53
  5. Step 5: Solve for x
    x = 73,326,834,841.53/369,143.34
  6. Step 6: Final answer
    x = 198,640.55

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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.