Home / 356,001.15-533,918.67-103,213.80

Finding the Fourth Proportional to 356,001.15, 533,918.67 and 103,213.80

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Solution

The fourth proportional to 356,001.15, 533,918.67 and 103,213.80 is: 154,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.15 : 533,918.67 = 103,213.80 : x
  2. Step 2: Convert to fraction form
    356,001.15/533,918.67 = 103,213.80/x
  3. Step 3: Cross multiply
    356,001.15x = 533,918.67 × 103,213.80
  4. Step 4: Simplify right side
    356,001.15x = 55,107,772,432.40
  5. Step 5: Solve for x
    x = 55,107,772,432.40/356,001.15
  6. Step 6: Final answer
    x = 154,796.61

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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.