Home / 257,186.80-354,835.38-166,612.60

Finding the Fourth Proportional to 257,186.80, 354,835.38 and 166,612.60

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Solution

The fourth proportional to 257,186.80, 354,835.38 and 166,612.60 is: 229,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,186.80 : 354,835.38 = 166,612.60 : x
  2. Step 2: Convert to fraction form
    257,186.80/354,835.38 = 166,612.60/x
  3. Step 3: Cross multiply
    257,186.80x = 354,835.38 × 166,612.60
  4. Step 4: Simplify right side
    257,186.80x = 59,120,045,233.79
  5. Step 5: Solve for x
    x = 59,120,045,233.79/257,186.80
  6. Step 6: Final answer
    x = 229,872.00

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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.