Home / 118,177.80-163,078.86-67,183.50

Finding the Fourth Proportional to 118,177.80, 163,078.86 and 67,183.50

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Solution

The fourth proportional to 118,177.80, 163,078.86 and 67,183.50 is: 92,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177.80 : 163,078.86 = 67,183.50 : x
  2. Step 2: Convert to fraction form
    118,177.80/163,078.86 = 67,183.50/x
  3. Step 3: Cross multiply
    118,177.80x = 163,078.86 × 67,183.50
  4. Step 4: Simplify right side
    118,177.80x = 10,956,208,590.81
  5. Step 5: Solve for x
    x = 10,956,208,590.81/118,177.80
  6. Step 6: Final answer
    x = 92,709.53

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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.