Home / 190,281.75-262,462.24-122,384.64

Finding the Fourth Proportional to 190,281.75, 262,462.24 and 122,384.64

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Solution

The fourth proportional to 190,281.75, 262,462.24 and 122,384.64 is: 168,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,281.75 : 262,462.24 = 122,384.64 : x
  2. Step 2: Convert to fraction form
    190,281.75/262,462.24 = 122,384.64/x
  3. Step 3: Cross multiply
    190,281.75x = 262,462.24 × 122,384.64
  4. Step 4: Simplify right side
    190,281.75x = 32,121,346,755.99
  5. Step 5: Solve for x
    x = 32,121,346,755.99/190,281.75
  6. Step 6: Final answer
    x = 168,809.39

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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.