Home / 198,063.45-297,127.98-98,226.90

Finding the Fourth Proportional to 198,063.45, 297,127.98 and 98,226.90

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Solution

The fourth proportional to 198,063.45, 297,127.98 and 98,226.90 is: 147,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.45 : 297,127.98 = 98,226.90 : x
  2. Step 2: Convert to fraction form
    198,063.45/297,127.98 = 98,226.90/x
  3. Step 3: Cross multiply
    198,063.45x = 297,127.98 × 98,226.90
  4. Step 4: Simplify right side
    198,063.45x = 29,185,960,378.66
  5. Step 5: Solve for x
    x = 29,185,960,378.66/198,063.45
  6. Step 6: Final answer
    x = 147,356.62

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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.