Home / 118,011.35-162,853.60-64,296.75

Finding the Fourth Proportional to 118,011.35, 162,853.60 and 64,296.75

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Solution

The fourth proportional to 118,011.35, 162,853.60 and 64,296.75 is: 88,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,011.35 : 162,853.60 = 64,296.75 : x
  2. Step 2: Convert to fraction form
    118,011.35/162,853.60 = 64,296.75/x
  3. Step 3: Cross multiply
    118,011.35x = 162,853.60 × 64,296.75
  4. Step 4: Simplify right side
    118,011.35x = 10,470,957,205.80
  5. Step 5: Solve for x
    x = 10,470,957,205.80/118,011.35
  6. Step 6: Final answer
    x = 88,728.39

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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.