Home / 208,718.11-312,659.81-96,244.35

Finding the Fourth Proportional to 208,718.11, 312,659.81 and 96,244.35

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Solution

The fourth proportional to 208,718.11, 312,659.81 and 96,244.35 is: 144,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,718.11 : 312,659.81 = 96,244.35 : x
  2. Step 2: Convert to fraction form
    208,718.11/312,659.81 = 96,244.35/x
  3. Step 3: Cross multiply
    208,718.11x = 312,659.81 × 96,244.35
  4. Step 4: Simplify right side
    208,718.11x = 30,091,738,621.27
  5. Step 5: Solve for x
    x = 30,091,738,621.27/208,718.11
  6. Step 6: Final answer
    x = 144,174.07

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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.