Home / 119,531.35-179,296.48-57,012.31

Finding the Fourth Proportional to 119,531.35, 179,296.48 and 57,012.31

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Solution

The fourth proportional to 119,531.35, 179,296.48 and 57,012.31 is: 85,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531.35 : 179,296.48 = 57,012.31 : x
  2. Step 2: Convert to fraction form
    119,531.35/179,296.48 = 57,012.31/x
  3. Step 3: Cross multiply
    119,531.35x = 179,296.48 × 57,012.31
  4. Step 4: Simplify right side
    119,531.35x = 10,222,106,499.67
  5. Step 5: Solve for x
    x = 10,222,106,499.67/119,531.35
  6. Step 6: Final answer
    x = 85,518.21

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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.