Home / 198,330.52-297,243-92,917.12

Finding the Fourth Proportional to 198,330.52, 297,243 and 92,917.12

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Solution

The fourth proportional to 198,330.52, 297,243 and 92,917.12 is: 139,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,330.52 : 297,243 = 92,917.12 : x
  2. Step 2: Convert to fraction form
    198,330.52/297,243 = 92,917.12/x
  3. Step 3: Cross multiply
    198,330.52x = 297,243 × 92,917.12
  4. Step 4: Simplify right side
    198,330.52x = 27,618,963,500.16
  5. Step 5: Solve for x
    x = 27,618,963,500.16/198,330.52
  6. Step 6: Final answer
    x = 139,257.25

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1.5x scale

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.