Home / 238,557.54-329,205.15-131,127.60

Finding the Fourth Proportional to 238,557.54, 329,205.15 and 131,127.60

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Solution

The fourth proportional to 238,557.54, 329,205.15 and 131,127.60 is: 180,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,557.54 : 329,205.15 = 131,127.60 : x
  2. Step 2: Convert to fraction form
    238,557.54/329,205.15 = 131,127.60/x
  3. Step 3: Cross multiply
    238,557.54x = 329,205.15 × 131,127.60
  4. Step 4: Simplify right side
    238,557.54x = 43,167,881,227.14
  5. Step 5: Solve for x
    x = 43,167,881,227.14/238,557.54
  6. Step 6: Final answer
    x = 180,953.75

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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.