Home / 210,696.26-290,766.10-127,911.24

Finding the Fourth Proportional to 210,696.26, 290,766.10 and 127,911.24

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Solution

The fourth proportional to 210,696.26, 290,766.10 and 127,911.24 is: 176,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,696.26 : 290,766.10 = 127,911.24 : x
  2. Step 2: Convert to fraction form
    210,696.26/290,766.10 = 127,911.24/x
  3. Step 3: Cross multiply
    210,696.26x = 290,766.10 × 127,911.24
  4. Step 4: Simplify right side
    210,696.26x = 37,192,252,400.96
  5. Step 5: Solve for x
    x = 37,192,252,400.96/210,696.26
  6. Step 6: Final answer
    x = 176,520.71

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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.