Home / 243,971.40-365,776.32-115,824.27

Finding the Fourth Proportional to 243,971.40, 365,776.32 and 115,824.27

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Solution

The fourth proportional to 243,971.40, 365,776.32 and 115,824.27 is: 173,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.40 : 365,776.32 = 115,824.27 : x
  2. Step 2: Convert to fraction form
    243,971.40/365,776.32 = 115,824.27/x
  3. Step 3: Cross multiply
    243,971.40x = 365,776.32 × 115,824.27
  4. Step 4: Simplify right side
    243,971.40x = 42,365,775,247.29
  5. Step 5: Solve for x
    x = 42,365,775,247.29/243,971.40
  6. Step 6: Final answer
    x = 173,650.58

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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.