Home / 236,839.23-326,840.42-129,409.25

Finding the Fourth Proportional to 236,839.23, 326,840.42 and 129,409.25

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Solution

The fourth proportional to 236,839.23, 326,840.42 and 129,409.25 is: 178,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,839.23 : 326,840.42 = 129,409.25 : x
  2. Step 2: Convert to fraction form
    236,839.23/326,840.42 = 129,409.25/x
  3. Step 3: Cross multiply
    236,839.23x = 326,840.42 × 129,409.25
  4. Step 4: Simplify right side
    236,839.23x = 42,296,171,340.64
  5. Step 5: Solve for x
    x = 42,296,171,340.64/236,839.23
  6. Step 6: Final answer
    x = 178,586.00

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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.