Home / 287,563.28-396,838.89-166,776.18

Finding the Fourth Proportional to 287,563.28, 396,838.89 and 166,776.18

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Solution

The fourth proportional to 287,563.28, 396,838.89 and 166,776.18 is: 230,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,563.28 : 396,838.89 = 166,776.18 : x
  2. Step 2: Convert to fraction form
    287,563.28/396,838.89 = 166,776.18/x
  3. Step 3: Cross multiply
    287,563.28x = 396,838.89 × 166,776.18
  4. Step 4: Simplify right side
    287,563.28x = 66,183,274,149.64
  5. Step 5: Solve for x
    x = 66,183,274,149.64/287,563.28
  6. Step 6: Final answer
    x = 230,152.04

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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.