Home / 293,623.40-440,435.10-83,268.20

Finding the Fourth Proportional to 293,623.40, 440,435.10 and 83,268.20

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Solution

The fourth proportional to 293,623.40, 440,435.10 and 83,268.20 is: 124,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,623.40 : 440,435.10 = 83,268.20 : x
  2. Step 2: Convert to fraction form
    293,623.40/440,435.10 = 83,268.20/x
  3. Step 3: Cross multiply
    293,623.40x = 440,435.10 × 83,268.20
  4. Step 4: Simplify right side
    293,623.40x = 36,674,237,993.82
  5. Step 5: Solve for x
    x = 36,674,237,993.82/293,623.40
  6. Step 6: Final answer
    x = 124,902.30

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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.