Home / 116,207.60-160,361.64-65,916.08

Finding the Fourth Proportional to 116,207.60, 160,361.64 and 65,916.08

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Solution

The fourth proportional to 116,207.60, 160,361.64 and 65,916.08 is: 90,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,207.60 : 160,361.64 = 65,916.08 : x
  2. Step 2: Convert to fraction form
    116,207.60/160,361.64 = 65,916.08/x
  3. Step 3: Cross multiply
    116,207.60x = 160,361.64 × 65,916.08
  4. Step 4: Simplify right side
    116,207.60x = 10,570,410,691.17
  5. Step 5: Solve for x
    x = 10,570,410,691.17/116,207.60
  6. Step 6: Final answer
    x = 90,961.44

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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.