Home / 199,054.10-274,690.54-108,411.66

Finding the Fourth Proportional to 199,054.10, 274,690.54 and 108,411.66

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Solution

The fourth proportional to 199,054.10, 274,690.54 and 108,411.66 is: 149,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,054.10 : 274,690.54 = 108,411.66 : x
  2. Step 2: Convert to fraction form
    199,054.10/274,690.54 = 108,411.66/x
  3. Step 3: Cross multiply
    199,054.10x = 274,690.54 × 108,411.66
  4. Step 4: Simplify right side
    199,054.10x = 29,779,657,427.70
  5. Step 5: Solve for x
    x = 29,779,657,427.70/199,054.10
  6. Step 6: Final answer
    x = 149,605.85

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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.