Home / 116,318.91-160,537.76-71,023.30

Finding the Fourth Proportional to 116,318.91, 160,537.76 and 71,023.30

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Solution

The fourth proportional to 116,318.91, 160,537.76 and 71,023.30 is: 98,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,318.91 : 160,537.76 = 71,023.30 : x
  2. Step 2: Convert to fraction form
    116,318.91/160,537.76 = 71,023.30/x
  3. Step 3: Cross multiply
    116,318.91x = 160,537.76 × 71,023.30
  4. Step 4: Simplify right side
    116,318.91x = 11,401,921,489.81
  5. Step 5: Solve for x
    x = 11,401,921,489.81/116,318.91
  6. Step 6: Final answer
    x = 98,022.94

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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.