Home / 108,237.51-162,178.77-76,492.53

Finding the Fourth Proportional to 108,237.51, 162,178.77 and 76,492.53

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Solution

The fourth proportional to 108,237.51, 162,178.77 and 76,492.53 is: 114,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,237.51 : 162,178.77 = 76,492.53 : x
  2. Step 2: Convert to fraction form
    108,237.51/162,178.77 = 76,492.53/x
  3. Step 3: Cross multiply
    108,237.51x = 162,178.77 × 76,492.53
  4. Step 4: Simplify right side
    108,237.51x = 12,405,464,716.44
  5. Step 5: Solve for x
    x = 12,405,464,716.44/108,237.51
  6. Step 6: Final answer
    x = 114,613.36

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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.