Home / 202,211.20-279,050.68-111,572.82

Finding the Fourth Proportional to 202,211.20, 279,050.68 and 111,572.82

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Solution

The fourth proportional to 202,211.20, 279,050.68 and 111,572.82 is: 153,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,211.20 : 279,050.68 = 111,572.82 : x
  2. Step 2: Convert to fraction form
    202,211.20/279,050.68 = 111,572.82/x
  3. Step 3: Cross multiply
    202,211.20x = 279,050.68 × 111,572.82
  4. Step 4: Simplify right side
    202,211.20x = 31,134,471,290.52
  5. Step 5: Solve for x
    x = 31,134,471,290.52/202,211.20
  6. Step 6: Final answer
    x = 153,970.06

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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.