Home / 287,153.79-396,295.11-166,297.23

Finding the Fourth Proportional to 287,153.79, 396,295.11 and 166,297.23

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Solution

The fourth proportional to 287,153.79, 396,295.11 and 166,297.23 is: 229,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,153.79 : 396,295.11 = 166,297.23 : x
  2. Step 2: Convert to fraction form
    287,153.79/396,295.11 = 166,297.23/x
  3. Step 3: Cross multiply
    287,153.79x = 396,295.11 × 166,297.23
  4. Step 4: Simplify right side
    287,153.79x = 65,902,779,055.55
  5. Step 5: Solve for x
    x = 65,902,779,055.55/287,153.79
  6. Step 6: Final answer
    x = 229,503.43

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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.