Home / 293,485.60-440,374.20-115,998.40

Finding the Fourth Proportional to 293,485.60, 440,374.20 and 115,998.40

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Solution

The fourth proportional to 293,485.60, 440,374.20 and 115,998.40 is: 174,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,485.60 : 440,374.20 = 115,998.40 : x
  2. Step 2: Convert to fraction form
    293,485.60/440,374.20 = 115,998.40/x
  3. Step 3: Cross multiply
    293,485.60x = 440,374.20 × 115,998.40
  4. Step 4: Simplify right side
    293,485.60x = 51,082,702,601.28
  5. Step 5: Solve for x
    x = 51,082,702,601.28/293,485.60
  6. Step 6: Final answer
    x = 174,055.23

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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.