Home / 217,018.10-325,527.15-133,037.30

Finding the Fourth Proportional to 217,018.10, 325,527.15 and 133,037.30

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Solution

The fourth proportional to 217,018.10, 325,527.15 and 133,037.30 is: 199,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,018.10 : 325,527.15 = 133,037.30 : x
  2. Step 2: Convert to fraction form
    217,018.10/325,527.15 = 133,037.30/x
  3. Step 3: Cross multiply
    217,018.10x = 325,527.15 × 133,037.30
  4. Step 4: Simplify right side
    217,018.10x = 43,307,253,112.70
  5. Step 5: Solve for x
    x = 43,307,253,112.70/217,018.10
  6. Step 6: Final answer
    x = 199,555.95

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1.5x scale

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.