Home / 180,155.39-248,579.10-108,539.33

Finding the Fourth Proportional to 180,155.39, 248,579.10 and 108,539.33

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Solution

The fourth proportional to 180,155.39, 248,579.10 and 108,539.33 is: 149,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,155.39 : 248,579.10 = 108,539.33 : x
  2. Step 2: Convert to fraction form
    180,155.39/248,579.10 = 108,539.33/x
  3. Step 3: Cross multiply
    180,155.39x = 248,579.10 × 108,539.33
  4. Step 4: Simplify right side
    180,155.39x = 26,980,607,723.11
  5. Step 5: Solve for x
    x = 26,980,607,723.11/180,155.39
  6. Step 6: Final answer
    x = 149,762.98

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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.