Home / 198,407.08-297,299.55-168,702.76

Finding the Fourth Proportional to 198,407.08, 297,299.55 and 168,702.76

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Solution

The fourth proportional to 198,407.08, 297,299.55 and 168,702.76 is: 252,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,407.08 : 297,299.55 = 168,702.76 : x
  2. Step 2: Convert to fraction form
    198,407.08/297,299.55 = 168,702.76/x
  3. Step 3: Cross multiply
    198,407.08x = 297,299.55 × 168,702.76
  4. Step 4: Simplify right side
    198,407.08x = 50,155,254,631.76
  5. Step 5: Solve for x
    x = 50,155,254,631.76/198,407.08
  6. Step 6: Final answer
    x = 252,789.64

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1.5x scale

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.