Home / 203,176.18-280,379.06-112,532.88

Finding the Fourth Proportional to 203,176.18, 280,379.06 and 112,532.88

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Solution

The fourth proportional to 203,176.18, 280,379.06 and 112,532.88 is: 155,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176.18 : 280,379.06 = 112,532.88 : x
  2. Step 2: Convert to fraction form
    203,176.18/280,379.06 = 112,532.88/x
  3. Step 3: Cross multiply
    203,176.18x = 280,379.06 × 112,532.88
  4. Step 4: Simplify right side
    203,176.18x = 31,551,863,113.49
  5. Step 5: Solve for x
    x = 31,551,863,113.49/203,176.18
  6. Step 6: Final answer
    x = 155,293.12

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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.