Home / 124,663.14-186,993.36-99,585.54

Finding the Fourth Proportional to 124,663.14, 186,993.36 and 99,585.54

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Solution

The fourth proportional to 124,663.14, 186,993.36 and 99,585.54 is: 149,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.14 : 186,993.36 = 99,585.54 : x
  2. Step 2: Convert to fraction form
    124,663.14/186,993.36 = 99,585.54/x
  3. Step 3: Cross multiply
    124,663.14x = 186,993.36 × 99,585.54
  4. Step 4: Simplify right side
    124,663.14x = 18,621,834,732.01
  5. Step 5: Solve for x
    x = 18,621,834,732.01/124,663.14
  6. Step 6: Final answer
    x = 149,377.23

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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.