Home / 184,995.75-255,294.12-100,112.81

Finding the Fourth Proportional to 184,995.75, 255,294.12 and 100,112.81

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Solution

The fourth proportional to 184,995.75, 255,294.12 and 100,112.81 is: 138,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,995.75 : 255,294.12 = 100,112.81 : x
  2. Step 2: Convert to fraction form
    184,995.75/255,294.12 = 100,112.81/x
  3. Step 3: Cross multiply
    184,995.75x = 255,294.12 × 100,112.81
  4. Step 4: Simplify right side
    184,995.75x = 25,558,211,729.68
  5. Step 5: Solve for x
    x = 25,558,211,729.68/184,995.75
  6. Step 6: Final answer
    x = 138,155.67

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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.