Home / 218,788.16-301,950.40-133,961.60

Finding the Fourth Proportional to 218,788.16, 301,950.40 and 133,961.60

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Solution

The fourth proportional to 218,788.16, 301,950.40 and 133,961.60 is: 184,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,788.16 : 301,950.40 = 133,961.60 : x
  2. Step 2: Convert to fraction form
    218,788.16/301,950.40 = 133,961.60/x
  3. Step 3: Cross multiply
    218,788.16x = 301,950.40 × 133,961.60
  4. Step 4: Simplify right side
    218,788.16x = 40,449,758,704.64
  5. Step 5: Solve for x
    x = 40,449,758,704.64/218,788.16
  6. Step 6: Final answer
    x = 184,880.93

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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.