Home / 116,407.86-160,643.97-66,107.22

Finding the Fourth Proportional to 116,407.86, 160,643.97 and 66,107.22

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Solution

The fourth proportional to 116,407.86, 160,643.97 and 66,107.22 is: 91,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,407.86 : 160,643.97 = 66,107.22 : x
  2. Step 2: Convert to fraction form
    116,407.86/160,643.97 = 66,107.22/x
  3. Step 3: Cross multiply
    116,407.86x = 160,643.97 × 66,107.22
  4. Step 4: Simplify right side
    116,407.86x = 10,619,726,266.46
  5. Step 5: Solve for x
    x = 10,619,726,266.46/116,407.86
  6. Step 6: Final answer
    x = 91,228.60

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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.