Home / 299,900.03-413,873.16-163,943.20

Finding the Fourth Proportional to 299,900.03, 413,873.16 and 163,943.20

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Solution

The fourth proportional to 299,900.03, 413,873.16 and 163,943.20 is: 226,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,900.03 : 413,873.16 = 163,943.20 : x
  2. Step 2: Convert to fraction form
    299,900.03/413,873.16 = 163,943.20/x
  3. Step 3: Cross multiply
    299,900.03x = 413,873.16 × 163,943.20
  4. Step 4: Simplify right side
    299,900.03x = 67,851,690,244.51
  5. Step 5: Solve for x
    x = 67,851,690,244.51/299,900.03
  6. Step 6: Final answer
    x = 226,247.69

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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.