Home / 197,763.17-272,911.85-111,750.00

Finding the Fourth Proportional to 197,763.17, 272,911.85 and 111,750.00

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Solution

The fourth proportional to 197,763.17, 272,911.85 and 111,750.00 is: 154,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,763.17 : 272,911.85 = 111,750.00 : x
  2. Step 2: Convert to fraction form
    197,763.17/272,911.85 = 111,750.00/x
  3. Step 3: Cross multiply
    197,763.17x = 272,911.85 × 111,750.00
  4. Step 4: Simplify right side
    197,763.17x = 30,497,899,295.23
  5. Step 5: Solve for x
    x = 30,497,899,295.23/197,763.17
  6. Step 6: Final answer
    x = 154,214.25

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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.