Home / 287,539.13-396,805.58-166,752.03

Finding the Fourth Proportional to 287,539.13, 396,805.58 and 166,752.03

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Solution

The fourth proportional to 287,539.13, 396,805.58 and 166,752.03 is: 230,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,539.13 : 396,805.58 = 166,752.03 : x
  2. Step 2: Convert to fraction form
    287,539.13/396,805.58 = 166,752.03/x
  3. Step 3: Cross multiply
    287,539.13x = 396,805.58 × 166,752.03
  4. Step 4: Simplify right side
    287,539.13x = 66,168,135,980.33
  5. Step 5: Solve for x
    x = 66,168,135,980.33/287,539.13
  6. Step 6: Final answer
    x = 230,118.72

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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.