Home / 112,533.77-168,613.23-79,183.76

Finding the Fourth Proportional to 112,533.77, 168,613.23 and 79,183.76

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Solution

The fourth proportional to 112,533.77, 168,613.23 and 79,183.76 is: 118,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.77 : 168,613.23 = 79,183.76 : x
  2. Step 2: Convert to fraction form
    112,533.77/168,613.23 = 79,183.76/x
  3. Step 3: Cross multiply
    112,533.77x = 168,613.23 × 79,183.76
  4. Step 4: Simplify right side
    112,533.77x = 13,351,429,958.68
  5. Step 5: Solve for x
    x = 13,351,429,958.68/112,533.77
  6. Step 6: Final answer
    x = 118,643.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.