Home / 238,862.37-329,592.45-136,868.21

Finding the Fourth Proportional to 238,862.37, 329,592.45 and 136,868.21

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Solution

The fourth proportional to 238,862.37, 329,592.45 and 136,868.21 is: 188,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,862.37 : 329,592.45 = 136,868.21 : x
  2. Step 2: Convert to fraction form
    238,862.37/329,592.45 = 136,868.21/x
  3. Step 3: Cross multiply
    238,862.37x = 329,592.45 × 136,868.21
  4. Step 4: Simplify right side
    238,862.37x = 45,110,728,661.01
  5. Step 5: Solve for x
    x = 45,110,728,661.01/238,862.37
  6. Step 6: Final answer
    x = 188,856.57

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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.