Home / 190,364.28-262,633.20-113,885.58

Finding the Fourth Proportional to 190,364.28, 262,633.20 and 113,885.58

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Solution

The fourth proportional to 190,364.28, 262,633.20 and 113,885.58 is: 157,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,364.28 : 262,633.20 = 113,885.58 : x
  2. Step 2: Convert to fraction form
    190,364.28/262,633.20 = 113,885.58/x
  3. Step 3: Cross multiply
    190,364.28x = 262,633.20 × 113,885.58
  4. Step 4: Simplify right side
    190,364.28x = 29,910,134,309.26
  5. Step 5: Solve for x
    x = 29,910,134,309.26/190,364.28
  6. Step 6: Final answer
    x = 157,120.52

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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.