Home / 238,864.75-329,595.73-136,870.58

Finding the Fourth Proportional to 238,864.75, 329,595.73 and 136,870.58

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Solution

The fourth proportional to 238,864.75, 329,595.73 and 136,870.58 is: 188,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.75 : 329,595.73 = 136,870.58 : x
  2. Step 2: Convert to fraction form
    238,864.75/329,595.73 = 136,870.58/x
  3. Step 3: Cross multiply
    238,864.75x = 329,595.73 × 136,870.58
  4. Step 4: Simplify right side
    238,864.75x = 45,111,959,212.44
  5. Step 5: Solve for x
    x = 45,111,959,212.44/238,864.75
  6. Step 6: Final answer
    x = 188,859.85

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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.