Home / 157,265.34-217,035.26-118,433.64

Finding the Fourth Proportional to 157,265.34, 217,035.26 and 118,433.64

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Solution

The fourth proportional to 157,265.34, 217,035.26 and 118,433.64 is: 163,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,265.34 : 217,035.26 = 118,433.64 : x
  2. Step 2: Convert to fraction form
    157,265.34/217,035.26 = 118,433.64/x
  3. Step 3: Cross multiply
    157,265.34x = 217,035.26 × 118,433.64
  4. Step 4: Simplify right side
    157,265.34x = 25,704,275,850.15
  5. Step 5: Solve for x
    x = 25,704,275,850.15/157,265.34
  6. Step 6: Final answer
    x = 163,445.27

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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.