Home / 216,892.46-299,269.07-136,273.28

Finding the Fourth Proportional to 216,892.46, 299,269.07 and 136,273.28

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Solution

The fourth proportional to 216,892.46, 299,269.07 and 136,273.28 is: 188,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892.46 : 299,269.07 = 136,273.28 : x
  2. Step 2: Convert to fraction form
    216,892.46/299,269.07 = 136,273.28/x
  3. Step 3: Cross multiply
    216,892.46x = 299,269.07 × 136,273.28
  4. Step 4: Simplify right side
    216,892.46x = 40,782,377,838.26
  5. Step 5: Solve for x
    x = 40,782,377,838.26/216,892.46
  6. Step 6: Final answer
    x = 188,030.41

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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.