Home / 276,192.69-414,289.07-86,682.30

Finding the Fourth Proportional to 276,192.69, 414,289.07 and 86,682.30

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Solution

The fourth proportional to 276,192.69, 414,289.07 and 86,682.30 is: 130,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,192.69 : 414,289.07 = 86,682.30 : x
  2. Step 2: Convert to fraction form
    276,192.69/414,289.07 = 86,682.30/x
  3. Step 3: Cross multiply
    276,192.69x = 414,289.07 × 86,682.30
  4. Step 4: Simplify right side
    276,192.69x = 35,911,529,019.05
  5. Step 5: Solve for x
    x = 35,911,529,019.05/276,192.69
  6. Step 6: Final answer
    x = 130,023.46

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1.5x scale

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.