Home / 218,709.24-301,811.36-133,826.30

Finding the Fourth Proportional to 218,709.24, 301,811.36 and 133,826.30

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Solution

The fourth proportional to 218,709.24, 301,811.36 and 133,826.30 is: 184,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,709.24 : 301,811.36 = 133,826.30 : x
  2. Step 2: Convert to fraction form
    218,709.24/301,811.36 = 133,826.30/x
  3. Step 3: Cross multiply
    218,709.24x = 301,811.36 × 133,826.30
  4. Step 4: Simplify right side
    218,709.24x = 40,390,297,606.77
  5. Step 5: Solve for x
    x = 40,390,297,606.77/218,709.24
  6. Step 6: Final answer
    x = 184,675.77

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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.