Home / 325,521.45-449,061.17-210,767.13

Finding the Fourth Proportional to 325,521.45, 449,061.17 and 210,767.13

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Solution

The fourth proportional to 325,521.45, 449,061.17 and 210,767.13 is: 290,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,521.45 : 449,061.17 = 210,767.13 : x
  2. Step 2: Convert to fraction form
    325,521.45/449,061.17 = 210,767.13/x
  3. Step 3: Cross multiply
    325,521.45x = 449,061.17 × 210,767.13
  4. Step 4: Simplify right side
    325,521.45x = 94,647,332,941.51
  5. Step 5: Solve for x
    x = 94,647,332,941.51/325,521.45
  6. Step 6: Final answer
    x = 290,756.06

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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.