Home / 116,526.68-160,819.15-71,231.18

Finding the Fourth Proportional to 116,526.68, 160,819.15 and 71,231.18

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Solution

The fourth proportional to 116,526.68, 160,819.15 and 71,231.18 is: 98,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,526.68 : 160,819.15 = 71,231.18 : x
  2. Step 2: Convert to fraction form
    116,526.68/160,819.15 = 71,231.18/x
  3. Step 3: Cross multiply
    116,526.68x = 160,819.15 × 71,231.18
  4. Step 4: Simplify right side
    116,526.68x = 11,455,337,017.00
  5. Step 5: Solve for x
    x = 11,455,337,017.00/116,526.68
  6. Step 6: Final answer
    x = 98,306.56

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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.