Home / 262,364.10-393,740.55-104,705.70

Finding the Fourth Proportional to 262,364.10, 393,740.55 and 104,705.70

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Solution

The fourth proportional to 262,364.10, 393,740.55 and 104,705.70 is: 157,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,364.10 : 393,740.55 = 104,705.70 : x
  2. Step 2: Convert to fraction form
    262,364.10/393,740.55 = 104,705.70/x
  3. Step 3: Cross multiply
    262,364.10x = 393,740.55 × 104,705.70
  4. Step 4: Simplify right side
    262,364.10x = 41,226,879,906.14
  5. Step 5: Solve for x
    x = 41,226,879,906.14/262,364.10
  6. Step 6: Final answer
    x = 157,136.13

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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.