Home / 156,969.14-216,615.77-116,862.26

Finding the Fourth Proportional to 156,969.14, 216,615.77 and 116,862.26

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Solution

The fourth proportional to 156,969.14, 216,615.77 and 116,862.26 is: 161,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.14 : 216,615.77 = 116,862.26 : x
  2. Step 2: Convert to fraction form
    156,969.14/216,615.77 = 116,862.26/x
  3. Step 3: Cross multiply
    156,969.14x = 216,615.77 × 116,862.26
  4. Step 4: Simplify right side
    156,969.14x = 25,314,208,433.84
  5. Step 5: Solve for x
    x = 25,314,208,433.84/156,969.14
  6. Step 6: Final answer
    x = 161,268.70

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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.