Home / 384,031.26-529,963.18-214,265.40

Finding the Fourth Proportional to 384,031.26, 529,963.18 and 214,265.40

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Solution

The fourth proportional to 384,031.26, 529,963.18 and 214,265.40 is: 295,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,031.26 : 529,963.18 = 214,265.40 : x
  2. Step 2: Convert to fraction form
    384,031.26/529,963.18 = 214,265.40/x
  3. Step 3: Cross multiply
    384,031.26x = 529,963.18 × 214,265.40
  4. Step 4: Simplify right side
    384,031.26x = 113,552,772,747.97
  5. Step 5: Solve for x
    x = 113,552,772,747.97/384,031.26
  6. Step 6: Final answer
    x = 295,686.27

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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.