Home / 166,612.39-229,685.92-118,782.70

Finding the Fourth Proportional to 166,612.39, 229,685.92 and 118,782.70

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Solution

The fourth proportional to 166,612.39, 229,685.92 and 118,782.70 is: 163,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,612.39 : 229,685.92 = 118,782.70 : x
  2. Step 2: Convert to fraction form
    166,612.39/229,685.92 = 118,782.70/x
  3. Step 3: Cross multiply
    166,612.39x = 229,685.92 × 118,782.70
  4. Step 4: Simplify right side
    166,612.39x = 27,282,713,729.58
  5. Step 5: Solve for x
    x = 27,282,713,729.58/166,612.39
  6. Step 6: Final answer
    x = 163,749.61

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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.