Home / 287,386.23-396,592.72-166,597.53

Finding the Fourth Proportional to 287,386.23, 396,592.72 and 166,597.53

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Solution

The fourth proportional to 287,386.23, 396,592.72 and 166,597.53 is: 229,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,386.23 : 396,592.72 = 166,597.53 : x
  2. Step 2: Convert to fraction form
    287,386.23/396,592.72 = 166,597.53/x
  3. Step 3: Cross multiply
    287,386.23x = 396,592.72 × 166,597.53
  4. Step 4: Simplify right side
    287,386.23x = 66,071,367,567.98
  5. Step 5: Solve for x
    x = 66,071,367,567.98/287,386.23
  6. Step 6: Final answer
    x = 229,904.43

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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.