Home / 198,856.08-274,417.88-108,208.98

Finding the Fourth Proportional to 198,856.08, 274,417.88 and 108,208.98

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Solution

The fourth proportional to 198,856.08, 274,417.88 and 108,208.98 is: 149,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.08 : 274,417.88 = 108,208.98 : x
  2. Step 2: Convert to fraction form
    198,856.08/274,417.88 = 108,208.98/x
  3. Step 3: Cross multiply
    198,856.08x = 274,417.88 × 108,208.98
  4. Step 4: Simplify right side
    198,856.08x = 29,694,478,347.52
  5. Step 5: Solve for x
    x = 29,694,478,347.52/198,856.08
  6. Step 6: Final answer
    x = 149,326.48

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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.