Home / 197,743.14-272,899.53-112,872.96

Finding the Fourth Proportional to 197,743.14, 272,899.53 and 112,872.96

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Solution

The fourth proportional to 197,743.14, 272,899.53 and 112,872.96 is: 155,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,743.14 : 272,899.53 = 112,872.96 : x
  2. Step 2: Convert to fraction form
    197,743.14/272,899.53 = 112,872.96/x
  3. Step 3: Cross multiply
    197,743.14x = 272,899.53 × 112,872.96
  4. Step 4: Simplify right side
    197,743.14x = 30,802,977,733.71
  5. Step 5: Solve for x
    x = 30,802,977,733.71/197,743.14
  6. Step 6: Final answer
    x = 155,772.67

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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.