Home / 387,011.29-534,093.30-214,930.01

Finding the Fourth Proportional to 387,011.29, 534,093.30 and 214,930.01

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Solution

The fourth proportional to 387,011.29, 534,093.30 and 214,930.01 is: 296,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,011.29 : 534,093.30 = 214,930.01 : x
  2. Step 2: Convert to fraction form
    387,011.29/534,093.30 = 214,930.01/x
  3. Step 3: Cross multiply
    387,011.29x = 534,093.30 × 214,930.01
  4. Step 4: Simplify right side
    387,011.29x = 114,792,675,639.47
  5. Step 5: Solve for x
    x = 114,792,675,639.47/387,011.29
  6. Step 6: Final answer
    x = 296,613.25

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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.