Home / 197,973.93-273,200.67-111,931.50

Finding the Fourth Proportional to 197,973.93, 273,200.67 and 111,931.50

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Solution

The fourth proportional to 197,973.93, 273,200.67 and 111,931.50 is: 154,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,973.93 : 273,200.67 = 111,931.50 : x
  2. Step 2: Convert to fraction form
    197,973.93/273,200.67 = 111,931.50/x
  3. Step 3: Cross multiply
    197,973.93x = 273,200.67 × 111,931.50
  4. Step 4: Simplify right side
    197,973.93x = 30,579,760,794.11
  5. Step 5: Solve for x
    x = 30,579,760,794.11/197,973.93
  6. Step 6: Final answer
    x = 154,463.57

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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.