Home / 197,972.20-297,026.30-57,751.40

Finding the Fourth Proportional to 197,972.20, 297,026.30 and 57,751.40

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Solution

The fourth proportional to 197,972.20, 297,026.30 and 57,751.40 is: 86,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,972.20 : 297,026.30 = 57,751.40 : x
  2. Step 2: Convert to fraction form
    197,972.20/297,026.30 = 57,751.40/x
  3. Step 3: Cross multiply
    197,972.20x = 297,026.30 × 57,751.40
  4. Step 4: Simplify right side
    197,972.20x = 17,153,684,661.82
  5. Step 5: Solve for x
    x = 17,153,684,661.82/197,972.20
  6. Step 6: Final answer
    x = 86,646.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.