Home / 356,781.25-535,250.58-104,081.50

Finding the Fourth Proportional to 356,781.25, 535,250.58 and 104,081.50

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Solution

The fourth proportional to 356,781.25, 535,250.58 and 104,081.50 is: 156,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,781.25 : 535,250.58 = 104,081.50 : x
  2. Step 2: Convert to fraction form
    356,781.25/535,250.58 = 104,081.50/x
  3. Step 3: Cross multiply
    356,781.25x = 535,250.58 × 104,081.50
  4. Step 4: Simplify right side
    356,781.25x = 55,709,682,721.86
  5. Step 5: Solve for x
    x = 55,709,682,721.86/356,781.25
  6. Step 6: Final answer
    x = 156,145.21

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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.