Home / 114,878.19-158,538.03-67,159.47

Finding the Fourth Proportional to 114,878.19, 158,538.03 and 67,159.47

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Solution

The fourth proportional to 114,878.19, 158,538.03 and 67,159.47 is: 92,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,878.19 : 158,538.03 = 67,159.47 : x
  2. Step 2: Convert to fraction form
    114,878.19/158,538.03 = 67,159.47/x
  3. Step 3: Cross multiply
    114,878.19x = 158,538.03 × 67,159.47
  4. Step 4: Simplify right side
    114,878.19x = 10,647,330,069.64
  5. Step 5: Solve for x
    x = 10,647,330,069.64/114,878.19
  6. Step 6: Final answer
    x = 92,683.65

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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.