Home / 238,514.18-329,153.41-136,539.23

Finding the Fourth Proportional to 238,514.18, 329,153.41 and 136,539.23

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Solution

The fourth proportional to 238,514.18, 329,153.41 and 136,539.23 is: 188,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,514.18 : 329,153.41 = 136,539.23 : x
  2. Step 2: Convert to fraction form
    238,514.18/329,153.41 = 136,539.23/x
  3. Step 3: Cross multiply
    238,514.18x = 329,153.41 × 136,539.23
  4. Step 4: Simplify right side
    238,514.18x = 44,942,354,146.83
  5. Step 5: Solve for x
    x = 44,942,354,146.83/238,514.18
  6. Step 6: Final answer
    x = 188,426.34

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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.