Home / 557,126.10-836,021.12-202,167.77

Finding the Fourth Proportional to 557,126.10, 836,021.12 and 202,167.77

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Solution

The fourth proportional to 557,126.10, 836,021.12 and 202,167.77 is: 303,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,126.10 : 836,021.12 = 202,167.77 : x
  2. Step 2: Convert to fraction form
    557,126.10/836,021.12 = 202,167.77/x
  3. Step 3: Cross multiply
    557,126.10x = 836,021.12 × 202,167.77
  4. Step 4: Simplify right side
    557,126.10x = 169,016,520,312.36
  5. Step 5: Solve for x
    x = 169,016,520,312.36/557,126.10
  6. Step 6: Final answer
    x = 303,372.11

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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.