Home / 210,694.25-290,763.33-127,909.24

Finding the Fourth Proportional to 210,694.25, 290,763.33 and 127,909.24

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Solution

The fourth proportional to 210,694.25, 290,763.33 and 127,909.24 is: 176,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,694.25 : 290,763.33 = 127,909.24 : x
  2. Step 2: Convert to fraction form
    210,694.25/290,763.33 = 127,909.24/x
  3. Step 3: Cross multiply
    210,694.25x = 290,763.33 × 127,909.24
  4. Step 4: Simplify right side
    210,694.25x = 37,191,315,106.35
  5. Step 5: Solve for x
    x = 37,191,315,106.35/210,694.25
  6. Step 6: Final answer
    x = 176,517.94

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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.