Home / 109,355.42-149,926.26-107,362.51

Finding the Fourth Proportional to 109,355.42, 149,926.26 and 107,362.51

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Solution

The fourth proportional to 109,355.42, 149,926.26 and 107,362.51 is: 147,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,355.42 : 149,926.26 = 107,362.51 : x
  2. Step 2: Convert to fraction form
    109,355.42/149,926.26 = 107,362.51/x
  3. Step 3: Cross multiply
    109,355.42x = 149,926.26 × 107,362.51
  4. Step 4: Simplify right side
    109,355.42x = 16,096,459,051.70
  5. Step 5: Solve for x
    x = 16,096,459,051.70/109,355.42
  6. Step 6: Final answer
    x = 147,193.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.