Home / 198,384.09-297,578.57-58,145.55

Finding the Fourth Proportional to 198,384.09, 297,578.57 and 58,145.55

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Solution

The fourth proportional to 198,384.09, 297,578.57 and 58,145.55 is: 87,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,384.09 : 297,578.57 = 58,145.55 : x
  2. Step 2: Convert to fraction form
    198,384.09/297,578.57 = 58,145.55/x
  3. Step 3: Cross multiply
    198,384.09x = 297,578.57 × 58,145.55
  4. Step 4: Simplify right side
    198,384.09x = 17,302,869,330.14
  5. Step 5: Solve for x
    x = 17,302,869,330.14/198,384.09
  6. Step 6: Final answer
    x = 87,219.04

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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.