Home / 108,763.02-162,849.29-108,172.53

Finding the Fourth Proportional to 108,763.02, 162,849.29 and 108,172.53

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Solution

The fourth proportional to 108,763.02, 162,849.29 and 108,172.53 is: 161,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,763.02 : 162,849.29 = 108,172.53 : x
  2. Step 2: Convert to fraction form
    108,763.02/162,849.29 = 108,172.53/x
  3. Step 3: Cross multiply
    108,763.02x = 162,849.29 × 108,172.53
  4. Step 4: Simplify right side
    108,763.02x = 17,615,819,167.14
  5. Step 5: Solve for x
    x = 17,615,819,167.14/108,763.02
  6. Step 6: Final answer
    x = 161,965.15

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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.