Home / 197,698.05-272,827.89-112,823.01

Finding the Fourth Proportional to 197,698.05, 272,827.89 and 112,823.01

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Solution

The fourth proportional to 197,698.05, 272,827.89 and 112,823.01 is: 155,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,698.05 : 272,827.89 = 112,823.01 : x
  2. Step 2: Convert to fraction form
    197,698.05/272,827.89 = 112,823.01/x
  3. Step 3: Cross multiply
    197,698.05x = 272,827.89 × 112,823.01
  4. Step 4: Simplify right side
    197,698.05x = 30,781,263,761.75
  5. Step 5: Solve for x
    x = 30,781,263,761.75/197,698.05
  6. Step 6: Final answer
    x = 155,698.37

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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.