Home / 118,951.14-164,152.80-65,236.56

Finding the Fourth Proportional to 118,951.14, 164,152.80 and 65,236.56

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Solution

The fourth proportional to 118,951.14, 164,152.80 and 65,236.56 is: 90,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,951.14 : 164,152.80 = 65,236.56 : x
  2. Step 2: Convert to fraction form
    118,951.14/164,152.80 = 65,236.56/x
  3. Step 3: Cross multiply
    118,951.14x = 164,152.80 × 65,236.56
  4. Step 4: Simplify right side
    118,951.14x = 10,708,763,986.37
  5. Step 5: Solve for x
    x = 10,708,763,986.37/118,951.14
  6. Step 6: Final answer
    x = 90,026.58

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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.