Home / 238,138.22-328,661.08-137,536.22

Finding the Fourth Proportional to 238,138.22, 328,661.08 and 137,536.22

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Solution

The fourth proportional to 238,138.22, 328,661.08 and 137,536.22 is: 189,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,138.22 : 328,661.08 = 137,536.22 : x
  2. Step 2: Convert to fraction form
    238,138.22/328,661.08 = 137,536.22/x
  3. Step 3: Cross multiply
    238,138.22x = 328,661.08 × 137,536.22
  4. Step 4: Simplify right side
    238,138.22x = 45,202,802,604.32
  5. Step 5: Solve for x
    x = 45,202,802,604.32/238,138.22
  6. Step 6: Final answer
    x = 189,817.50

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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.