Home / 331,210.95-496,889.73-120,848.28

Finding the Fourth Proportional to 331,210.95, 496,889.73 and 120,848.28

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Solution

The fourth proportional to 331,210.95, 496,889.73 and 120,848.28 is: 181,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,210.95 : 496,889.73 = 120,848.28 : x
  2. Step 2: Convert to fraction form
    331,210.95/496,889.73 = 120,848.28/x
  3. Step 3: Cross multiply
    331,210.95x = 496,889.73 × 120,848.28
  4. Step 4: Simplify right side
    331,210.95x = 60,048,269,220.16
  5. Step 5: Solve for x
    x = 60,048,269,220.16/331,210.95
  6. Step 6: Final answer
    x = 181,299.17

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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.