Home / 190,330.42-262,652.50-112,858.21

Finding the Fourth Proportional to 190,330.42, 262,652.50 and 112,858.21

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Solution

The fourth proportional to 190,330.42, 262,652.50 and 112,858.21 is: 155,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,330.42 : 262,652.50 = 112,858.21 : x
  2. Step 2: Convert to fraction form
    190,330.42/262,652.50 = 112,858.21/x
  3. Step 3: Cross multiply
    190,330.42x = 262,652.50 × 112,858.21
  4. Step 4: Simplify right side
    190,330.42x = 29,642,491,002.03
  5. Step 5: Solve for x
    x = 29,642,491,002.03/190,330.42
  6. Step 6: Final answer
    x = 155,742.27

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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.