Home / 180,267.66-248,788.06-103,789.49

Finding the Fourth Proportional to 180,267.66, 248,788.06 and 103,789.49

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Solution

The fourth proportional to 180,267.66, 248,788.06 and 103,789.49 is: 143,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,267.66 : 248,788.06 = 103,789.49 : x
  2. Step 2: Convert to fraction form
    180,267.66/248,788.06 = 103,789.49/x
  3. Step 3: Cross multiply
    180,267.66x = 248,788.06 × 103,789.49
  4. Step 4: Simplify right side
    180,267.66x = 25,821,584,362.08
  5. Step 5: Solve for x
    x = 25,821,584,362.08/180,267.66
  6. Step 6: Final answer
    x = 143,240.25

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1.5x scale

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.