Home / 197,699.55-272,829.96-112,824.51

Finding the Fourth Proportional to 197,699.55, 272,829.96 and 112,824.51

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Solution

The fourth proportional to 197,699.55, 272,829.96 and 112,824.51 is: 155,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,699.55 : 272,829.96 = 112,824.51 : x
  2. Step 2: Convert to fraction form
    197,699.55/272,829.96 = 112,824.51/x
  3. Step 3: Cross multiply
    197,699.55x = 272,829.96 × 112,824.51
  4. Step 4: Simplify right side
    197,699.55x = 30,781,906,550.32
  5. Step 5: Solve for x
    x = 30,781,906,550.32/197,699.55
  6. Step 6: Final answer
    x = 155,700.44

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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.