Home / 218,467.08-301,507.26-133,640.60

Finding the Fourth Proportional to 218,467.08, 301,507.26 and 133,640.60

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Solution

The fourth proportional to 218,467.08, 301,507.26 and 133,640.60 is: 184,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,467.08 : 301,507.26 = 133,640.60 : x
  2. Step 2: Convert to fraction form
    218,467.08/301,507.26 = 133,640.60/x
  3. Step 3: Cross multiply
    218,467.08x = 301,507.26 × 133,640.60
  4. Step 4: Simplify right side
    218,467.08x = 40,293,611,130.76
  5. Step 5: Solve for x
    x = 40,293,611,130.76/218,467.08
  6. Step 6: Final answer
    x = 184,437.91

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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.