Home / 356,288.22-534,450.71-90,051.05

Finding the Fourth Proportional to 356,288.22, 534,450.71 and 90,051.05

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Solution

The fourth proportional to 356,288.22, 534,450.71 and 90,051.05 is: 135,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,288.22 : 534,450.71 = 90,051.05 : x
  2. Step 2: Convert to fraction form
    356,288.22/534,450.71 = 90,051.05/x
  3. Step 3: Cross multiply
    356,288.22x = 534,450.71 × 90,051.05
  4. Step 4: Simplify right side
    356,288.22x = 48,127,845,161.62
  5. Step 5: Solve for x
    x = 48,127,845,161.62/356,288.22
  6. Step 6: Final answer
    x = 135,081.21

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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.