Home / 299,803.23-413,728.02-163,838.43

Finding the Fourth Proportional to 299,803.23, 413,728.02 and 163,838.43

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Solution

The fourth proportional to 299,803.23, 413,728.02 and 163,838.43 is: 226,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,803.23 : 413,728.02 = 163,838.43 : x
  2. Step 2: Convert to fraction form
    299,803.23/413,728.02 = 163,838.43/x
  3. Step 3: Cross multiply
    299,803.23x = 413,728.02 × 163,838.43
  4. Step 4: Simplify right side
    299,803.23x = 67,784,549,243.81
  5. Step 5: Solve for x
    x = 67,784,549,243.81/299,803.23
  6. Step 6: Final answer
    x = 226,096.79

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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.