Home / 287,406.47-396,601.79-166,526.19

Finding the Fourth Proportional to 287,406.47, 396,601.79 and 166,526.19

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Solution

The fourth proportional to 287,406.47, 396,601.79 and 166,526.19 is: 229,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,406.47 : 396,601.79 = 166,526.19 : x
  2. Step 2: Convert to fraction form
    287,406.47/396,601.79 = 166,526.19/x
  3. Step 3: Cross multiply
    287,406.47x = 396,601.79 × 166,526.19
  4. Step 4: Simplify right side
    287,406.47x = 66,044,584,203.25
  5. Step 5: Solve for x
    x = 66,044,584,203.25/287,406.47
  6. Step 6: Final answer
    x = 229,795.05

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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.