Home / 290,760.22-401,190.27-169,878.13

Finding the Fourth Proportional to 290,760.22, 401,190.27 and 169,878.13

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Solution

The fourth proportional to 290,760.22, 401,190.27 and 169,878.13 is: 234,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,760.22 : 401,190.27 = 169,878.13 : x
  2. Step 2: Convert to fraction form
    290,760.22/401,190.27 = 169,878.13/x
  3. Step 3: Cross multiply
    290,760.22x = 401,190.27 × 169,878.13
  4. Step 4: Simplify right side
    290,760.22x = 68,153,452,841.80
  5. Step 5: Solve for x
    x = 68,153,452,841.80/290,760.22
  6. Step 6: Final answer
    x = 234,397.45

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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.