Home / 190,285.25-262,467.08-122,388.14

Finding the Fourth Proportional to 190,285.25, 262,467.08 and 122,388.14

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Solution

The fourth proportional to 190,285.25, 262,467.08 and 122,388.14 is: 168,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,285.25 : 262,467.08 = 122,388.14 : x
  2. Step 2: Convert to fraction form
    190,285.25/262,467.08 = 122,388.14/x
  3. Step 3: Cross multiply
    190,285.25x = 262,467.08 × 122,388.14
  4. Step 4: Simplify right side
    190,285.25x = 32,122,855,808.16
  5. Step 5: Solve for x
    x = 32,122,855,808.16/190,285.25
  6. Step 6: Final answer
    x = 168,814.22

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1.5x scale

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.