Home / 375,926.92-518,731.36-214,792.40

Finding the Fourth Proportional to 375,926.92, 518,731.36 and 214,792.40

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Solution

The fourth proportional to 375,926.92, 518,731.36 and 214,792.40 is: 296,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,926.92 : 518,731.36 = 214,792.40 : x
  2. Step 2: Convert to fraction form
    375,926.92/518,731.36 = 214,792.40/x
  3. Step 3: Cross multiply
    375,926.92x = 518,731.36 × 214,792.40
  4. Step 4: Simplify right side
    375,926.92x = 111,419,554,529.51
  5. Step 5: Solve for x
    x = 111,419,554,529.51/375,926.92
  6. Step 6: Final answer
    x = 296,386.21

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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.