Home / 180,376.50-248,918.76-103,867.68

Finding the Fourth Proportional to 180,376.50, 248,918.76 and 103,867.68

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Solution

The fourth proportional to 180,376.50, 248,918.76 and 103,867.68 is: 143,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,376.50 : 248,918.76 = 103,867.68 : x
  2. Step 2: Convert to fraction form
    180,376.50/248,918.76 = 103,867.68/x
  3. Step 3: Cross multiply
    180,376.50x = 248,918.76 × 103,867.68
  4. Step 4: Simplify right side
    180,376.50x = 25,854,614,109.68
  5. Step 5: Solve for x
    x = 25,854,614,109.68/180,376.50
  6. Step 6: Final answer
    x = 143,336.93

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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.