Home / 114,161.43-157,574.46-66,424.02

Finding the Fourth Proportional to 114,161.43, 157,574.46 and 66,424.02

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Solution

The fourth proportional to 114,161.43, 157,574.46 and 66,424.02 is: 91,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,161.43 : 157,574.46 = 66,424.02 : x
  2. Step 2: Convert to fraction form
    114,161.43/157,574.46 = 66,424.02/x
  3. Step 3: Cross multiply
    114,161.43x = 157,574.46 × 66,424.02
  4. Step 4: Simplify right side
    114,161.43x = 10,466,729,082.53
  5. Step 5: Solve for x
    x = 10,466,729,082.53/114,161.43
  6. Step 6: Final answer
    x = 91,683.58

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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.