Home / 236,837.34-326,837.83-129,407.37

Finding the Fourth Proportional to 236,837.34, 326,837.83 and 129,407.37

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Solution

The fourth proportional to 236,837.34, 326,837.83 and 129,407.37 is: 178,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,837.34 : 326,837.83 = 129,407.37 : x
  2. Step 2: Convert to fraction form
    236,837.34/326,837.83 = 129,407.37/x
  3. Step 3: Cross multiply
    236,837.34x = 326,837.83 × 129,407.37
  4. Step 4: Simplify right side
    236,837.34x = 42,295,223,673.29
  5. Step 5: Solve for x
    x = 42,295,223,673.29/236,837.34
  6. Step 6: Final answer
    x = 178,583.43

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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.