Home / 287,316.26-396,496.42-166,527.62

Finding the Fourth Proportional to 287,316.26, 396,496.42 and 166,527.62

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Solution

The fourth proportional to 287,316.26, 396,496.42 and 166,527.62 is: 229,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,316.26 : 396,496.42 = 166,527.62 : x
  2. Step 2: Convert to fraction form
    287,316.26/396,496.42 = 166,527.62/x
  3. Step 3: Cross multiply
    287,316.26x = 396,496.42 × 166,527.62
  4. Step 4: Simplify right side
    287,316.26x = 66,027,605,161.12
  5. Step 5: Solve for x
    x = 66,027,605,161.12/287,316.26
  6. Step 6: Final answer
    x = 229,808.10

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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.