Home / 287,569.66-396,799.46-166,687.34

Finding the Fourth Proportional to 287,569.66, 396,799.46 and 166,687.34

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Solution

The fourth proportional to 287,569.66, 396,799.46 and 166,687.34 is: 230,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,569.66 : 396,799.46 = 166,687.34 : x
  2. Step 2: Convert to fraction form
    287,569.66/396,799.46 = 166,687.34/x
  3. Step 3: Cross multiply
    287,569.66x = 396,799.46 × 166,687.34
  4. Step 4: Simplify right side
    287,569.66x = 66,141,444,308.48
  5. Step 5: Solve for x
    x = 66,141,444,308.48/287,569.66
  6. Step 6: Final answer
    x = 230,001.47

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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.