Home / 210,766.92-290,725.38-147,081.48

Finding the Fourth Proportional to 210,766.92, 290,725.38 and 147,081.48

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Solution

The fourth proportional to 210,766.92, 290,725.38 and 147,081.48 is: 202,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,766.92 : 290,725.38 = 147,081.48 : x
  2. Step 2: Convert to fraction form
    210,766.92/290,725.38 = 147,081.48/x
  3. Step 3: Cross multiply
    210,766.92x = 290,725.38 × 147,081.48
  4. Step 4: Simplify right side
    210,766.92x = 42,760,319,163.96
  5. Step 5: Solve for x
    x = 42,760,319,163.96/210,766.92
  6. Step 6: Final answer
    x = 202,879.65

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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.