Home / 369,154.62-553,759.08-132,499.35

Finding the Fourth Proportional to 369,154.62, 553,759.08 and 132,499.35

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Solution

The fourth proportional to 369,154.62, 553,759.08 and 132,499.35 is: 198,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,154.62 : 553,759.08 = 132,499.35 : x
  2. Step 2: Convert to fraction form
    369,154.62/553,759.08 = 132,499.35/x
  3. Step 3: Cross multiply
    369,154.62x = 553,759.08 × 132,499.35
  4. Step 4: Simplify right side
    369,154.62x = 73,372,718,156.60
  5. Step 5: Solve for x
    x = 73,372,718,156.60/369,154.62
  6. Step 6: Final answer
    x = 198,758.77

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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.