Home / 238,916.25-329,712.19-136,961.03

Finding the Fourth Proportional to 238,916.25, 329,712.19 and 136,961.03

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Solution

The fourth proportional to 238,916.25, 329,712.19 and 136,961.03 is: 189,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,916.25 : 329,712.19 = 136,961.03 : x
  2. Step 2: Convert to fraction form
    238,916.25/329,712.19 = 136,961.03/x
  3. Step 3: Cross multiply
    238,916.25x = 329,712.19 × 136,961.03
  4. Step 4: Simplify right side
    238,916.25x = 45,157,721,627.83
  5. Step 5: Solve for x
    x = 45,157,721,627.83/238,916.25
  6. Step 6: Final answer
    x = 189,010.67

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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.