Home / 238,790.43-329,577.84-136,884.26

Finding the Fourth Proportional to 238,790.43, 329,577.84 and 136,884.26

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Solution

The fourth proportional to 238,790.43, 329,577.84 and 136,884.26 is: 188,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,790.43 : 329,577.84 = 136,884.26 : x
  2. Step 2: Convert to fraction form
    238,790.43/329,577.84 = 136,884.26/x
  3. Step 3: Cross multiply
    238,790.43x = 329,577.84 × 136,884.26
  4. Step 4: Simplify right side
    238,790.43x = 45,114,019,564.74
  5. Step 5: Solve for x
    x = 45,114,019,564.74/238,790.43
  6. Step 6: Final answer
    x = 188,927.25

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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.