Home / 238,739.27-329,453.69-135,392.31

Finding the Fourth Proportional to 238,739.27, 329,453.69 and 135,392.31

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Solution

The fourth proportional to 238,739.27, 329,453.69 and 135,392.31 is: 186,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.27 : 329,453.69 = 135,392.31 : x
  2. Step 2: Convert to fraction form
    238,739.27/329,453.69 = 135,392.31/x
  3. Step 3: Cross multiply
    238,739.27x = 329,453.69 × 135,392.31
  4. Step 4: Simplify right side
    238,739.27x = 44,605,495,450.16
  5. Step 5: Solve for x
    x = 44,605,495,450.16/238,739.27
  6. Step 6: Final answer
    x = 186,837.70

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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.