Home / 287,445.56-396,587.07-166,563.52

Finding the Fourth Proportional to 287,445.56, 396,587.07 and 166,563.52

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Solution

The fourth proportional to 287,445.56, 396,587.07 and 166,563.52 is: 229,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,445.56 : 396,587.07 = 166,563.52 : x
  2. Step 2: Convert to fraction form
    287,445.56/396,587.07 = 166,563.52/x
  3. Step 3: Cross multiply
    287,445.56x = 396,587.07 × 166,563.52
  4. Step 4: Simplify right side
    287,445.56x = 66,056,937,374.22
  5. Step 5: Solve for x
    x = 66,056,937,374.22/287,445.56
  6. Step 6: Final answer
    x = 229,806.78

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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.