Home / 190,353.42-262,687.68-113,875.74

Finding the Fourth Proportional to 190,353.42, 262,687.68 and 113,875.74

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Solution

The fourth proportional to 190,353.42, 262,687.68 and 113,875.74 is: 157,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,353.42 : 262,687.68 = 113,875.74 : x
  2. Step 2: Convert to fraction form
    190,353.42/262,687.68 = 113,875.74/x
  3. Step 3: Cross multiply
    190,353.42x = 262,687.68 × 113,875.74
  4. Step 4: Simplify right side
    190,353.42x = 29,913,753,948.88
  5. Step 5: Solve for x
    x = 29,913,753,948.88/190,353.42
  6. Step 6: Final answer
    x = 157,148.50

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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.