Home / 197,555.75-272,626.91-106,911.71

Finding the Fourth Proportional to 197,555.75, 272,626.91 and 106,911.71

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Solution

The fourth proportional to 197,555.75, 272,626.91 and 106,911.71 is: 147,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,555.75 : 272,626.91 = 106,911.71 : x
  2. Step 2: Convert to fraction form
    197,555.75/272,626.91 = 106,911.71/x
  3. Step 3: Cross multiply
    197,555.75x = 272,626.91 × 106,911.71
  4. Step 4: Simplify right side
    197,555.75x = 29,147,010,088.96
  5. Step 5: Solve for x
    x = 29,147,010,088.96/197,555.75
  6. Step 6: Final answer
    x = 147,538.15

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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.