Home / 112,533.02-168,612.11-79,183.01

Finding the Fourth Proportional to 112,533.02, 168,612.11 and 79,183.01

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Solution

The fourth proportional to 112,533.02, 168,612.11 and 79,183.01 is: 118,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.02 : 168,612.11 = 79,183.01 : x
  2. Step 2: Convert to fraction form
    112,533.02/168,612.11 = 79,183.01/x
  3. Step 3: Cross multiply
    112,533.02x = 168,612.11 × 79,183.01
  4. Step 4: Simplify right side
    112,533.02x = 13,351,214,417.87
  5. Step 5: Solve for x
    x = 13,351,214,417.87/112,533.02
  6. Step 6: Final answer
    x = 118,642.64

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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.