Home / 287,326.60-396,562.98-166,545.16

Finding the Fourth Proportional to 287,326.60, 396,562.98 and 166,545.16

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Solution

The fourth proportional to 287,326.60, 396,562.98 and 166,545.16 is: 229,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,326.60 : 396,562.98 = 166,545.16 : x
  2. Step 2: Convert to fraction form
    287,326.60/396,562.98 = 166,545.16/x
  3. Step 3: Cross multiply
    287,326.60x = 396,562.98 × 166,545.16
  4. Step 4: Simplify right side
    287,326.60x = 66,045,644,954.18
  5. Step 5: Solve for x
    x = 66,045,644,954.18/287,326.60
  6. Step 6: Final answer
    x = 229,862.62

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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.