Home / 112,511.70-168,767.55-110,762.10

Finding the Fourth Proportional to 112,511.70, 168,767.55 and 110,762.10

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Solution

The fourth proportional to 112,511.70, 168,767.55 and 110,762.10 is: 166,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.70 : 168,767.55 = 110,762.10 : x
  2. Step 2: Convert to fraction form
    112,511.70/168,767.55 = 110,762.10/x
  3. Step 3: Cross multiply
    112,511.70x = 168,767.55 × 110,762.10
  4. Step 4: Simplify right side
    112,511.70x = 18,693,048,249.86
  5. Step 5: Solve for x
    x = 18,693,048,249.86/112,511.70
  6. Step 6: Final answer
    x = 166,143.15

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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.