Home / 200,478.29-276,657.70-108,595.85

Finding the Fourth Proportional to 200,478.29, 276,657.70 and 108,595.85

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Solution

The fourth proportional to 200,478.29, 276,657.70 and 108,595.85 is: 149,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,478.29 : 276,657.70 = 108,595.85 : x
  2. Step 2: Convert to fraction form
    200,478.29/276,657.70 = 108,595.85/x
  3. Step 3: Cross multiply
    200,478.29x = 276,657.70 × 108,595.85
  4. Step 4: Simplify right side
    200,478.29x = 30,043,876,707.26
  5. Step 5: Solve for x
    x = 30,043,876,707.26/200,478.29
  6. Step 6: Final answer
    x = 149,861.00

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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.