Home / 287,035.23-396,157.19-166,250.06

Finding the Fourth Proportional to 287,035.23, 396,157.19 and 166,250.06

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Solution

The fourth proportional to 287,035.23, 396,157.19 and 166,250.06 is: 229,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,035.23 : 396,157.19 = 166,250.06 : x
  2. Step 2: Convert to fraction form
    287,035.23/396,157.19 = 166,250.06/x
  3. Step 3: Cross multiply
    287,035.23x = 396,157.19 × 166,250.06
  4. Step 4: Simplify right side
    287,035.23x = 65,861,156,606.93
  5. Step 5: Solve for x
    x = 65,861,156,606.93/287,035.23
  6. Step 6: Final answer
    x = 229,453.22

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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.