Home / 108,361.26-162,147.96-89,465.58

Finding the Fourth Proportional to 108,361.26, 162,147.96 and 89,465.58

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Solution

The fourth proportional to 108,361.26, 162,147.96 and 89,465.58 is: 133,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,361.26 : 162,147.96 = 89,465.58 : x
  2. Step 2: Convert to fraction form
    108,361.26/162,147.96 = 89,465.58/x
  3. Step 3: Cross multiply
    108,361.26x = 162,147.96 × 89,465.58
  4. Step 4: Simplify right side
    108,361.26x = 14,506,661,287.22
  5. Step 5: Solve for x
    x = 14,506,661,287.22/108,361.26
  6. Step 6: Final answer
    x = 133,873.13

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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.