Home / 116,025.42-160,144.11-71,287.50

Finding the Fourth Proportional to 116,025.42, 160,144.11 and 71,287.50

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Solution

The fourth proportional to 116,025.42, 160,144.11 and 71,287.50 is: 98,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,025.42 : 160,144.11 = 71,287.50 : x
  2. Step 2: Convert to fraction form
    116,025.42/160,144.11 = 71,287.50/x
  3. Step 3: Cross multiply
    116,025.42x = 160,144.11 × 71,287.50
  4. Step 4: Simplify right side
    116,025.42x = 11,416,273,241.63
  5. Step 5: Solve for x
    x = 11,416,273,241.63/116,025.42
  6. Step 6: Final answer
    x = 98,394.59

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1.5x scale

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.