Home / 243,721.72-365,448.60-75,196.06

Finding the Fourth Proportional to 243,721.72, 365,448.60 and 75,196.06

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Solution

The fourth proportional to 243,721.72, 365,448.60 and 75,196.06 is: 112,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721.72 : 365,448.60 = 75,196.06 : x
  2. Step 2: Convert to fraction form
    243,721.72/365,448.60 = 75,196.06/x
  3. Step 3: Cross multiply
    243,721.72x = 365,448.60 × 75,196.06
  4. Step 4: Simplify right side
    243,721.72x = 27,480,294,852.52
  5. Step 5: Solve for x
    x = 27,480,294,852.52/243,721.72
  6. Step 6: Final answer
    x = 112,752.75

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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.