Home / 288,143.36-397,268.19-236,269.34

Finding the Fourth Proportional to 288,143.36, 397,268.19 and 236,269.34

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Solution

The fourth proportional to 288,143.36, 397,268.19 and 236,269.34 is: 325,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,143.36 : 397,268.19 = 236,269.34 : x
  2. Step 2: Convert to fraction form
    288,143.36/397,268.19 = 236,269.34/x
  3. Step 3: Cross multiply
    288,143.36x = 397,268.19 × 236,269.34
  4. Step 4: Simplify right side
    288,143.36x = 93,862,293,054.29
  5. Step 5: Solve for x
    x = 93,862,293,054.29/288,143.36
  6. Step 6: Final answer
    x = 325,748.59

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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.