Home / 288,234.36-397,880.66-186,268.22

Finding the Fourth Proportional to 288,234.36, 397,880.66 and 186,268.22

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Solution

The fourth proportional to 288,234.36, 397,880.66 and 186,268.22 is: 257,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,234.36 : 397,880.66 = 186,268.22 : x
  2. Step 2: Convert to fraction form
    288,234.36/397,880.66 = 186,268.22/x
  3. Step 3: Cross multiply
    288,234.36x = 397,880.66 × 186,268.22
  4. Step 4: Simplify right side
    288,234.36x = 74,112,519,389.88
  5. Step 5: Solve for x
    x = 74,112,519,389.88/288,234.36
  6. Step 6: Final answer
    x = 257,125.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.