Home / 198,122.10-297,172.71-64,984.83

Finding the Fourth Proportional to 198,122.10, 297,172.71 and 64,984.83

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Solution

The fourth proportional to 198,122.10, 297,172.71 and 64,984.83 is: 97,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,122.10 : 297,172.71 = 64,984.83 : x
  2. Step 2: Convert to fraction form
    198,122.10/297,172.71 = 64,984.83/x
  3. Step 3: Cross multiply
    198,122.10x = 297,172.71 × 64,984.83
  4. Step 4: Simplify right side
    198,122.10x = 19,311,718,039.99
  5. Step 5: Solve for x
    x = 19,311,718,039.99/198,122.10
  6. Step 6: Final answer
    x = 97,473.82

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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.