Home / 216,643.16-298,961.96-119,844.50

Finding the Fourth Proportional to 216,643.16, 298,961.96 and 119,844.50

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Solution

The fourth proportional to 216,643.16, 298,961.96 and 119,844.50 is: 165,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,643.16 : 298,961.96 = 119,844.50 : x
  2. Step 2: Convert to fraction form
    216,643.16/298,961.96 = 119,844.50/x
  3. Step 3: Cross multiply
    216,643.16x = 298,961.96 × 119,844.50
  4. Step 4: Simplify right side
    216,643.16x = 35,828,946,016.00
  5. Step 5: Solve for x
    x = 35,828,946,016.00/216,643.16
  6. Step 6: Final answer
    x = 165,382.31

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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.