Home / 158,925.54-238,382.90-74,638.56

Finding the Fourth Proportional to 158,925.54, 238,382.90 and 74,638.56

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Solution

The fourth proportional to 158,925.54, 238,382.90 and 74,638.56 is: 111,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,925.54 : 238,382.90 = 74,638.56 : x
  2. Step 2: Convert to fraction form
    158,925.54/238,382.90 = 74,638.56/x
  3. Step 3: Cross multiply
    158,925.54x = 238,382.90 × 74,638.56
  4. Step 4: Simplify right side
    158,925.54x = 17,792,556,384.62
  5. Step 5: Solve for x
    x = 17,792,556,384.62/158,925.54
  6. Step 6: Final answer
    x = 111,955.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.