Home / 190,176.48-262,442.63-102,961.64

Finding the Fourth Proportional to 190,176.48, 262,442.63 and 102,961.64

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Solution

The fourth proportional to 190,176.48, 262,442.63 and 102,961.64 is: 142,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,176.48 : 262,442.63 = 102,961.64 : x
  2. Step 2: Convert to fraction form
    190,176.48/262,442.63 = 102,961.64/x
  3. Step 3: Cross multiply
    190,176.48x = 262,442.63 × 102,961.64
  4. Step 4: Simplify right side
    190,176.48x = 27,021,521,763.69
  5. Step 5: Solve for x
    x = 27,021,521,763.69/190,176.48
  6. Step 6: Final answer
    x = 142,086.56

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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.