Home / 166,611.39-229,684.55-118,781.70

Finding the Fourth Proportional to 166,611.39, 229,684.55 and 118,781.70

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Solution

The fourth proportional to 166,611.39, 229,684.55 and 118,781.70 is: 163,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,611.39 : 229,684.55 = 118,781.70 : x
  2. Step 2: Convert to fraction form
    166,611.39/229,684.55 = 118,781.70/x
  3. Step 3: Cross multiply
    166,611.39x = 229,684.55 × 118,781.70
  4. Step 4: Simplify right side
    166,611.39x = 27,282,320,718.83
  5. Step 5: Solve for x
    x = 27,282,320,718.83/166,611.39
  6. Step 6: Final answer
    x = 163,748.23

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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.