Home / 243,971.17-365,865.73-84,001.91

Finding the Fourth Proportional to 243,971.17, 365,865.73 and 84,001.91

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Solution

The fourth proportional to 243,971.17, 365,865.73 and 84,001.91 is: 125,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.17 : 365,865.73 = 84,001.91 : x
  2. Step 2: Convert to fraction form
    243,971.17/365,865.73 = 84,001.91/x
  3. Step 3: Cross multiply
    243,971.17x = 365,865.73 × 84,001.91
  4. Step 4: Simplify right side
    243,971.17x = 30,733,418,084.21
  5. Step 5: Solve for x
    x = 30,733,418,084.21/243,971.17
  6. Step 6: Final answer
    x = 125,971.52

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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.