Home / 118,152.76-162,958.62-75,715.24

Finding the Fourth Proportional to 118,152.76, 162,958.62 and 75,715.24

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Solution

The fourth proportional to 118,152.76, 162,958.62 and 75,715.24 is: 104,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,152.76 : 162,958.62 = 75,715.24 : x
  2. Step 2: Convert to fraction form
    118,152.76/162,958.62 = 75,715.24/x
  3. Step 3: Cross multiply
    118,152.76x = 162,958.62 × 75,715.24
  4. Step 4: Simplify right side
    118,152.76x = 12,338,451,023.37
  5. Step 5: Solve for x
    x = 12,338,451,023.37/118,152.76
  6. Step 6: Final answer
    x = 104,427.95

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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.