Home / 287,323.16-396,505.96-166,534.51

Finding the Fourth Proportional to 287,323.16, 396,505.96 and 166,534.51

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Solution

The fourth proportional to 287,323.16, 396,505.96 and 166,534.51 is: 229,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,323.16 : 396,505.96 = 166,534.51 : x
  2. Step 2: Convert to fraction form
    287,323.16/396,505.96 = 166,534.51/x
  3. Step 3: Cross multiply
    287,323.16x = 396,505.96 × 166,534.51
  4. Step 4: Simplify right side
    287,323.16x = 66,031,923,659.34
  5. Step 5: Solve for x
    x = 66,031,923,659.34/287,323.16
  6. Step 6: Final answer
    x = 229,817.62

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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.