Home / 262,474.12-393,773.90-84,981.33

Finding the Fourth Proportional to 262,474.12, 393,773.90 and 84,981.33

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Solution

The fourth proportional to 262,474.12, 393,773.90 and 84,981.33 is: 127,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,474.12 : 393,773.90 = 84,981.33 : x
  2. Step 2: Convert to fraction form
    262,474.12/393,773.90 = 84,981.33/x
  3. Step 3: Cross multiply
    262,474.12x = 393,773.90 × 84,981.33
  4. Step 4: Simplify right side
    262,474.12x = 33,463,429,741.29
  5. Step 5: Solve for x
    x = 33,463,429,741.29/262,474.12
  6. Step 6: Final answer
    x = 127,492.30

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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.