Home / 220,161.61-303,823.00-124,668.28

Finding the Fourth Proportional to 220,161.61, 303,823.00 and 124,668.28

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Solution

The fourth proportional to 220,161.61, 303,823.00 and 124,668.28 is: 172,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161.61 : 303,823.00 = 124,668.28 : x
  2. Step 2: Convert to fraction form
    220,161.61/303,823.00 = 124,668.28/x
  3. Step 3: Cross multiply
    220,161.61x = 303,823.00 × 124,668.28
  4. Step 4: Simplify right side
    220,161.61x = 37,877,091,370.05
  5. Step 5: Solve for x
    x = 37,877,091,370.05/220,161.61
  6. Step 6: Final answer
    x = 172,042.22

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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.