Home / 214,928.57-296,603.17-134,402.78

Finding the Fourth Proportional to 214,928.57, 296,603.17 and 134,402.78

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Solution

The fourth proportional to 214,928.57, 296,603.17 and 134,402.78 is: 185,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,928.57 : 296,603.17 = 134,402.78 : x
  2. Step 2: Convert to fraction form
    214,928.57/296,603.17 = 134,402.78/x
  3. Step 3: Cross multiply
    214,928.57x = 296,603.17 × 134,402.78
  4. Step 4: Simplify right side
    214,928.57x = 39,864,291,010.31
  5. Step 5: Solve for x
    x = 39,864,291,010.31/214,928.57
  6. Step 6: Final answer
    x = 185,476.93

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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.