Home / 186,971.90-280,416.54-53,822.48

Finding the Fourth Proportional to 186,971.90, 280,416.54 and 53,822.48

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Solution

The fourth proportional to 186,971.90, 280,416.54 and 53,822.48 is: 80,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,971.90 : 280,416.54 = 53,822.48 : x
  2. Step 2: Convert to fraction form
    186,971.90/280,416.54 = 53,822.48/x
  3. Step 3: Cross multiply
    186,971.90x = 280,416.54 × 53,822.48
  4. Step 4: Simplify right side
    186,971.90x = 15,092,713,615.82
  5. Step 5: Solve for x
    x = 15,092,713,615.82/186,971.90
  6. Step 6: Final answer
    x = 80,721.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.