Home / 116,028.54-160,105.05-70,690.07

Finding the Fourth Proportional to 116,028.54, 160,105.05 and 70,690.07

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Solution

The fourth proportional to 116,028.54, 160,105.05 and 70,690.07 is: 97,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,028.54 : 160,105.05 = 70,690.07 : x
  2. Step 2: Convert to fraction form
    116,028.54/160,105.05 = 70,690.07/x
  3. Step 3: Cross multiply
    116,028.54x = 160,105.05 × 70,690.07
  4. Step 4: Simplify right side
    116,028.54x = 11,317,837,191.85
  5. Step 5: Solve for x
    x = 11,317,837,191.85/116,028.54
  6. Step 6: Final answer
    x = 97,543.56

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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.