Home / 276,141.02-414,210.85-76,460.75

Finding the Fourth Proportional to 276,141.02, 414,210.85 and 76,460.75

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Solution

The fourth proportional to 276,141.02, 414,210.85 and 76,460.75 is: 114,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,141.02 : 414,210.85 = 76,460.75 : x
  2. Step 2: Convert to fraction form
    276,141.02/414,210.85 = 76,460.75/x
  3. Step 3: Cross multiply
    276,141.02x = 414,210.85 × 76,460.75
  4. Step 4: Simplify right side
    276,141.02x = 31,670,869,986.93
  5. Step 5: Solve for x
    x = 31,670,869,986.93/276,141.02
  6. Step 6: Final answer
    x = 114,690.93

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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.