Home / 224,240.11-309,436.64-123,638.83

Finding the Fourth Proportional to 224,240.11, 309,436.64 and 123,638.83

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Solution

The fourth proportional to 224,240.11, 309,436.64 and 123,638.83 is: 170,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.11 : 309,436.64 = 123,638.83 : x
  2. Step 2: Convert to fraction form
    224,240.11/309,436.64 = 123,638.83/x
  3. Step 3: Cross multiply
    224,240.11x = 309,436.64 × 123,638.83
  4. Step 4: Simplify right side
    224,240.11x = 38,258,383,510.54
  5. Step 5: Solve for x
    x = 38,258,383,510.54/224,240.11
  6. Step 6: Final answer
    x = 170,613.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.