Home / 198,559.04-297,555.84-98,621.28

Finding the Fourth Proportional to 198,559.04, 297,555.84 and 98,621.28

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Solution

The fourth proportional to 198,559.04, 297,555.84 and 98,621.28 is: 147,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,559.04 : 297,555.84 = 98,621.28 : x
  2. Step 2: Convert to fraction form
    198,559.04/297,555.84 = 98,621.28/x
  3. Step 3: Cross multiply
    198,559.04x = 297,555.84 × 98,621.28
  4. Step 4: Simplify right side
    198,559.04x = 29,345,337,812.28
  5. Step 5: Solve for x
    x = 29,345,337,812.28/198,559.04
  6. Step 6: Final answer
    x = 147,791.50

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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.