Home / 299,723.09-413,613.02-163,754.11

Finding the Fourth Proportional to 299,723.09, 413,613.02 and 163,754.11

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Solution

The fourth proportional to 299,723.09, 413,613.02 and 163,754.11 is: 225,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,723.09 : 413,613.02 = 163,754.11 : x
  2. Step 2: Convert to fraction form
    299,723.09/413,613.02 = 163,754.11/x
  3. Step 3: Cross multiply
    299,723.09x = 413,613.02 × 163,754.11
  4. Step 4: Simplify right side
    299,723.09x = 67,730,831,974.51
  5. Step 5: Solve for x
    x = 67,730,831,974.51/299,723.09
  6. Step 6: Final answer
    x = 225,978.03

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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.