Home / 198,014.86-297,017.39-57,774.70

Finding the Fourth Proportional to 198,014.86, 297,017.39 and 57,774.70

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Solution

The fourth proportional to 198,014.86, 297,017.39 and 57,774.70 is: 86,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,014.86 : 297,017.39 = 57,774.70 : x
  2. Step 2: Convert to fraction form
    198,014.86/297,017.39 = 57,774.70/x
  3. Step 3: Cross multiply
    198,014.86x = 297,017.39 × 57,774.70
  4. Step 4: Simplify right side
    198,014.86x = 17,160,090,313.16
  5. Step 5: Solve for x
    x = 17,160,090,313.16/198,014.86
  6. Step 6: Final answer
    x = 86,660.62

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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.