Home / 195,679.02-270,580.60-155,322.72

Finding the Fourth Proportional to 195,679.02, 270,580.60 and 155,322.72

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Solution

The fourth proportional to 195,679.02, 270,580.60 and 155,322.72 is: 214,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,679.02 : 270,580.60 = 155,322.72 : x
  2. Step 2: Convert to fraction form
    195,679.02/270,580.60 = 155,322.72/x
  3. Step 3: Cross multiply
    195,679.02x = 270,580.60 × 155,322.72
  4. Step 4: Simplify right side
    195,679.02x = 42,027,314,771.23
  5. Step 5: Solve for x
    x = 42,027,314,771.23/195,679.02
  6. Step 6: Final answer
    x = 214,776.81

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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.