Home / 287,025.33-396,149.81-190,058.16

Finding the Fourth Proportional to 287,025.33, 396,149.81 and 190,058.16

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Solution

The fourth proportional to 287,025.33, 396,149.81 and 190,058.16 is: 262,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,025.33 : 396,149.81 = 190,058.16 : x
  2. Step 2: Convert to fraction form
    287,025.33/396,149.81 = 190,058.16/x
  3. Step 3: Cross multiply
    287,025.33x = 396,149.81 × 190,058.16
  4. Step 4: Simplify right side
    287,025.33x = 75,291,503,022.66
  5. Step 5: Solve for x
    x = 75,291,503,022.66/287,025.33
  6. Step 6: Final answer
    x = 262,316.58

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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.