Home / 111,586.14-167,378.88-91,823.58

Finding the Fourth Proportional to 111,586.14, 167,378.88 and 91,823.58

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Solution

The fourth proportional to 111,586.14, 167,378.88 and 91,823.58 is: 137,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,586.14 : 167,378.88 = 91,823.58 : x
  2. Step 2: Convert to fraction form
    111,586.14/167,378.88 = 91,823.58/x
  3. Step 3: Cross multiply
    111,586.14x = 167,378.88 × 91,823.58
  4. Step 4: Simplify right side
    111,586.14x = 15,369,327,977.99
  5. Step 5: Solve for x
    x = 15,369,327,977.99/111,586.14
  6. Step 6: Final answer
    x = 137,735.10

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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.