Home / 236,198.06-354,434.30-99,411.10

Finding the Fourth Proportional to 236,198.06, 354,434.30 and 99,411.10

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Solution

The fourth proportional to 236,198.06, 354,434.30 and 99,411.10 is: 149,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,198.06 : 354,434.30 = 99,411.10 : x
  2. Step 2: Convert to fraction form
    236,198.06/354,434.30 = 99,411.10/x
  3. Step 3: Cross multiply
    236,198.06x = 354,434.30 × 99,411.10
  4. Step 4: Simplify right side
    236,198.06x = 35,234,702,630.38
  5. Step 5: Solve for x
    x = 35,234,702,630.38/236,198.06
  6. Step 6: Final answer
    x = 149,174.40

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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.