Home / 331,370.13-457,303.73-188,143.50

Finding the Fourth Proportional to 331,370.13, 457,303.73 and 188,143.50

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Solution

The fourth proportional to 331,370.13, 457,303.73 and 188,143.50 is: 259,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,370.13 : 457,303.73 = 188,143.50 : x
  2. Step 2: Convert to fraction form
    331,370.13/457,303.73 = 188,143.50/x
  3. Step 3: Cross multiply
    331,370.13x = 457,303.73 × 188,143.50
  4. Step 4: Simplify right side
    331,370.13x = 86,038,724,325.26
  5. Step 5: Solve for x
    x = 86,038,724,325.26/331,370.13
  6. Step 6: Final answer
    x = 259,645.38

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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.