Home / 386,041.26-532,723.22-213,975.23

Finding the Fourth Proportional to 386,041.26, 532,723.22 and 213,975.23

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Solution

The fourth proportional to 386,041.26, 532,723.22 and 213,975.23 is: 295,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,041.26 : 532,723.22 = 213,975.23 : x
  2. Step 2: Convert to fraction form
    386,041.26/532,723.22 = 213,975.23/x
  3. Step 3: Cross multiply
    386,041.26x = 532,723.22 × 213,975.23
  4. Step 4: Simplify right side
    386,041.26x = 113,989,573,787.77
  5. Step 5: Solve for x
    x = 113,989,573,787.77/386,041.26
  6. Step 6: Final answer
    x = 295,278.21

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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.