Home / 116,721.40-175,082.10-104,911.60

Finding the Fourth Proportional to 116,721.40, 175,082.10 and 104,911.60

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Solution

The fourth proportional to 116,721.40, 175,082.10 and 104,911.60 is: 157,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,721.40 : 175,082.10 = 104,911.60 : x
  2. Step 2: Convert to fraction form
    116,721.40/175,082.10 = 104,911.60/x
  3. Step 3: Cross multiply
    116,721.40x = 175,082.10 × 104,911.60
  4. Step 4: Simplify right side
    116,721.40x = 18,368,143,242.36
  5. Step 5: Solve for x
    x = 18,368,143,242.36/116,721.40
  6. Step 6: Final answer
    x = 157,367.40

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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.