Home / 665,093.81-997,788.27-191,742.23

Finding the Fourth Proportional to 665,093.81, 997,788.27 and 191,742.23

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Solution

The fourth proportional to 665,093.81, 997,788.27 and 191,742.23 is: 287,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,093.81 : 997,788.27 = 191,742.23 : x
  2. Step 2: Convert to fraction form
    665,093.81/997,788.27 = 191,742.23/x
  3. Step 3: Cross multiply
    665,093.81x = 997,788.27 × 191,742.23
  4. Step 4: Simplify right side
    665,093.81x = 191,318,147,957.64
  5. Step 5: Solve for x
    x = 191,318,147,957.64/665,093.81
  6. Step 6: Final answer
    x = 287,655.88

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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.