Home / 197,417.34-272,435.97-111,394.55

Finding the Fourth Proportional to 197,417.34, 272,435.97 and 111,394.55

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Solution

The fourth proportional to 197,417.34, 272,435.97 and 111,394.55 is: 153,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,417.34 : 272,435.97 = 111,394.55 : x
  2. Step 2: Convert to fraction form
    197,417.34/272,435.97 = 111,394.55/x
  3. Step 3: Cross multiply
    197,417.34x = 272,435.97 × 111,394.55
  4. Step 4: Simplify right side
    197,417.34x = 30,347,882,281.96
  5. Step 5: Solve for x
    x = 30,347,882,281.96/197,417.34
  6. Step 6: Final answer
    x = 153,724.50

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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.