Home / 100,887.33-139,222.49-63,182.37

Finding the Fourth Proportional to 100,887.33, 139,222.49 and 63,182.37

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Solution

The fourth proportional to 100,887.33, 139,222.49 and 63,182.37 is: 87,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.33 : 139,222.49 = 63,182.37 : x
  2. Step 2: Convert to fraction form
    100,887.33/139,222.49 = 63,182.37/x
  3. Step 3: Cross multiply
    100,887.33x = 139,222.49 × 63,182.37
  4. Step 4: Simplify right side
    100,887.33x = 8,796,406,559.59
  5. Step 5: Solve for x
    x = 8,796,406,559.59/100,887.33
  6. Step 6: Final answer
    x = 87,190.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.