Home / 287,180.09-396,301.96-179,809.33

Finding the Fourth Proportional to 287,180.09, 396,301.96 and 179,809.33

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Solution

The fourth proportional to 287,180.09, 396,301.96 and 179,809.33 is: 248,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,180.09 : 396,301.96 = 179,809.33 : x
  2. Step 2: Convert to fraction form
    287,180.09/396,301.96 = 179,809.33/x
  3. Step 3: Cross multiply
    287,180.09x = 396,301.96 × 179,809.33
  4. Step 4: Simplify right side
    287,180.09x = 71,258,788,465.01
  5. Step 5: Solve for x
    x = 71,258,788,465.01/287,180.09
  6. Step 6: Final answer
    x = 248,132.76

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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.