Home / 134,218.65-200,889.89-98,670.56

Finding the Fourth Proportional to 134,218.65, 200,889.89 and 98,670.56

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Solution

The fourth proportional to 134,218.65, 200,889.89 and 98,670.56 is: 147,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,218.65 : 200,889.89 = 98,670.56 : x
  2. Step 2: Convert to fraction form
    134,218.65/200,889.89 = 98,670.56/x
  3. Step 3: Cross multiply
    134,218.65x = 200,889.89 × 98,670.56
  4. Step 4: Simplify right side
    134,218.65x = 19,821,916,816.85
  5. Step 5: Solve for x
    x = 19,821,916,816.85/134,218.65
  6. Step 6: Final answer
    x = 147,683.77

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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.