Home / 197,555.76-272,626.94-106,911.74

Finding the Fourth Proportional to 197,555.76, 272,626.94 and 106,911.74

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Solution

The fourth proportional to 197,555.76, 272,626.94 and 106,911.74 is: 147,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,555.76 : 272,626.94 = 106,911.74 : x
  2. Step 2: Convert to fraction form
    197,555.76/272,626.94 = 106,911.74/x
  3. Step 3: Cross multiply
    197,555.76x = 272,626.94 × 106,911.74
  4. Step 4: Simplify right side
    197,555.76x = 29,147,018,628.58
  5. Step 5: Solve for x
    x = 29,147,018,628.58/197,555.76
  6. Step 6: Final answer
    x = 147,538.19

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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.