Home / 216,840.24-325,290.60-98,541.36

Finding the Fourth Proportional to 216,840.24, 325,290.60 and 98,541.36

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Solution

The fourth proportional to 216,840.24, 325,290.60 and 98,541.36 is: 147,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,840.24 : 325,290.60 = 98,541.36 : x
  2. Step 2: Convert to fraction form
    216,840.24/325,290.60 = 98,541.36/x
  3. Step 3: Cross multiply
    216,840.24x = 325,290.60 × 98,541.36
  4. Step 4: Simplify right side
    216,840.24x = 32,054,578,119.22
  5. Step 5: Solve for x
    x = 32,054,578,119.22/216,840.24
  6. Step 6: Final answer
    x = 147,825.78

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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.