Home / 186,408.16-279,610.88-111,549.04

Finding the Fourth Proportional to 186,408.16, 279,610.88 and 111,549.04

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Solution

The fourth proportional to 186,408.16, 279,610.88 and 111,549.04 is: 167,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,408.16 : 279,610.88 = 111,549.04 : x
  2. Step 2: Convert to fraction form
    186,408.16/279,610.88 = 111,549.04/x
  3. Step 3: Cross multiply
    186,408.16x = 279,610.88 × 111,549.04
  4. Step 4: Simplify right side
    186,408.16x = 31,190,325,237.56
  5. Step 5: Solve for x
    x = 31,190,325,237.56/186,408.16
  6. Step 6: Final answer
    x = 167,322.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.