Home / 343,131.28-473,521.20-190,179.34

Finding the Fourth Proportional to 343,131.28, 473,521.20 and 190,179.34

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Solution

The fourth proportional to 343,131.28, 473,521.20 and 190,179.34 is: 262,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,131.28 : 473,521.20 = 190,179.34 : x
  2. Step 2: Convert to fraction form
    343,131.28/473,521.20 = 190,179.34/x
  3. Step 3: Cross multiply
    343,131.28x = 473,521.20 × 190,179.34
  4. Step 4: Simplify right side
    343,131.28x = 90,053,950,597.08
  5. Step 5: Solve for x
    x = 90,053,950,597.08/343,131.28
  6. Step 6: Final answer
    x = 262,447.51

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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.