Home / 421,519.39-632,025.86-193,529.70

Finding the Fourth Proportional to 421,519.39, 632,025.86 and 193,529.70

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Solution

The fourth proportional to 421,519.39, 632,025.86 and 193,529.70 is: 290,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,519.39 : 632,025.86 = 193,529.70 : x
  2. Step 2: Convert to fraction form
    421,519.39/632,025.86 = 193,529.70/x
  3. Step 3: Cross multiply
    421,519.39x = 632,025.86 × 193,529.70
  4. Step 4: Simplify right side
    421,519.39x = 122,315,774,110.39
  5. Step 5: Solve for x
    x = 122,315,774,110.39/421,519.39
  6. Step 6: Final answer
    x = 290,178.29

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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.