Home / 400,168.24-551,970.20-238,897.20

Finding the Fourth Proportional to 400,168.24, 551,970.20 and 238,897.20

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Solution

The fourth proportional to 400,168.24, 551,970.20 and 238,897.20 is: 329,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,168.24 : 551,970.20 = 238,897.20 : x
  2. Step 2: Convert to fraction form
    400,168.24/551,970.20 = 238,897.20/x
  3. Step 3: Cross multiply
    400,168.24x = 551,970.20 × 238,897.20
  4. Step 4: Simplify right side
    400,168.24x = 131,864,135,263.44
  5. Step 5: Solve for x
    x = 131,864,135,263.44/400,168.24
  6. Step 6: Final answer
    x = 329,521.74

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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.