Home / 197,699.05-272,829.27-112,824.01

Finding the Fourth Proportional to 197,699.05, 272,829.27 and 112,824.01

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Solution

The fourth proportional to 197,699.05, 272,829.27 and 112,824.01 is: 155,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,699.05 : 272,829.27 = 112,824.01 : x
  2. Step 2: Convert to fraction form
    197,699.05/272,829.27 = 112,824.01/x
  3. Step 3: Cross multiply
    197,699.05x = 272,829.27 × 112,824.01
  4. Step 4: Simplify right side
    197,699.05x = 30,781,692,286.77
  5. Step 5: Solve for x
    x = 30,781,692,286.77/197,699.05
  6. Step 6: Final answer
    x = 155,699.75

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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.