Home / 238,813.30-329,609.44-136,907.18

Finding the Fourth Proportional to 238,813.30, 329,609.44 and 136,907.18

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Solution

The fourth proportional to 238,813.30, 329,609.44 and 136,907.18 is: 188,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,813.30 : 329,609.44 = 136,907.18 : x
  2. Step 2: Convert to fraction form
    238,813.30/329,609.44 = 136,907.18/x
  3. Step 3: Cross multiply
    238,813.30x = 329,609.44 × 136,907.18
  4. Step 4: Simplify right side
    238,813.30x = 45,125,898,931.78
  5. Step 5: Solve for x
    x = 45,125,898,931.78/238,813.30
  6. Step 6: Final answer
    x = 188,958.90

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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.