Home / 325,962.32-489,012.78-101,317.36

Finding the Fourth Proportional to 325,962.32, 489,012.78 and 101,317.36

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Solution

The fourth proportional to 325,962.32, 489,012.78 and 101,317.36 is: 151,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,962.32 : 489,012.78 = 101,317.36 : x
  2. Step 2: Convert to fraction form
    325,962.32/489,012.78 = 101,317.36/x
  3. Step 3: Cross multiply
    325,962.32x = 489,012.78 × 101,317.36
  4. Step 4: Simplify right side
    325,962.32x = 49,545,483,875.86
  5. Step 5: Solve for x
    x = 49,545,483,875.86/325,962.32
  6. Step 6: Final answer
    x = 151,997.58

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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.