Home / 287,323.88-396,506.95-166,535.23

Finding the Fourth Proportional to 287,323.88, 396,506.95 and 166,535.23

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Solution

The fourth proportional to 287,323.88, 396,506.95 and 166,535.23 is: 229,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,323.88 : 396,506.95 = 166,535.23 : x
  2. Step 2: Convert to fraction form
    287,323.88/396,506.95 = 166,535.23/x
  3. Step 3: Cross multiply
    287,323.88x = 396,506.95 × 166,535.23
  4. Step 4: Simplify right side
    287,323.88x = 66,032,374,290.91
  5. Step 5: Solve for x
    x = 66,032,374,290.91/287,323.88
  6. Step 6: Final answer
    x = 229,818.61

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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.