Home / 198,484.99-273,900.35-112,442.21

Finding the Fourth Proportional to 198,484.99, 273,900.35 and 112,442.21

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Solution

The fourth proportional to 198,484.99, 273,900.35 and 112,442.21 is: 155,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484.99 : 273,900.35 = 112,442.21 : x
  2. Step 2: Convert to fraction form
    198,484.99/273,900.35 = 112,442.21/x
  3. Step 3: Cross multiply
    198,484.99x = 273,900.35 × 112,442.21
  4. Step 4: Simplify right side
    198,484.99x = 30,797,960,612.50
  5. Step 5: Solve for x
    x = 30,797,960,612.50/198,484.99
  6. Step 6: Final answer
    x = 155,165.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.