Home / 173,865.60-260,460.02-128,190.11

Finding the Fourth Proportional to 173,865.60, 260,460.02 and 128,190.11

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Solution

The fourth proportional to 173,865.60, 260,460.02 and 128,190.11 is: 192,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,865.60 : 260,460.02 = 128,190.11 : x
  2. Step 2: Convert to fraction form
    173,865.60/260,460.02 = 128,190.11/x
  3. Step 3: Cross multiply
    173,865.60x = 260,460.02 × 128,190.11
  4. Step 4: Simplify right side
    173,865.60x = 33,388,396,671.15
  5. Step 5: Solve for x
    x = 33,388,396,671.15/173,865.60
  6. Step 6: Final answer
    x = 192,035.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.