Home / 118,879.74-164,047.14-71,132.67

Finding the Fourth Proportional to 118,879.74, 164,047.14 and 71,132.67

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Solution

The fourth proportional to 118,879.74, 164,047.14 and 71,132.67 is: 98,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,879.74 : 164,047.14 = 71,132.67 : x
  2. Step 2: Convert to fraction form
    118,879.74/164,047.14 = 71,132.67/x
  3. Step 3: Cross multiply
    118,879.74x = 164,047.14 × 71,132.67
  4. Step 4: Simplify right side
    118,879.74x = 11,669,111,074.06
  5. Step 5: Solve for x
    x = 11,669,111,074.06/118,879.74
  6. Step 6: Final answer
    x = 98,158.96

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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.