Home / 198,398.34-273,603.20-153,004.42

Finding the Fourth Proportional to 198,398.34, 273,603.20 and 153,004.42

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Solution

The fourth proportional to 198,398.34, 273,603.20 and 153,004.42 is: 211,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,398.34 : 273,603.20 = 153,004.42 : x
  2. Step 2: Convert to fraction form
    198,398.34/273,603.20 = 153,004.42/x
  3. Step 3: Cross multiply
    198,398.34x = 273,603.20 × 153,004.42
  4. Step 4: Simplify right side
    198,398.34x = 41,862,498,624.65
  5. Step 5: Solve for x
    x = 41,862,498,624.65/198,398.34
  6. Step 6: Final answer
    x = 211,002.26

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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.