Home / 238,763.19-329,539.95-136,856.97

Finding the Fourth Proportional to 238,763.19, 329,539.95 and 136,856.97

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Solution

The fourth proportional to 238,763.19, 329,539.95 and 136,856.97 is: 188,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,763.19 : 329,539.95 = 136,856.97 : x
  2. Step 2: Convert to fraction form
    238,763.19/329,539.95 = 136,856.97/x
  3. Step 3: Cross multiply
    238,763.19x = 329,539.95 × 136,856.97
  4. Step 4: Simplify right side
    238,763.19x = 45,099,839,050.95
  5. Step 5: Solve for x
    x = 45,099,839,050.95/238,763.19
  6. Step 6: Final answer
    x = 188,889.41

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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.