Home / 236,931.73-355,431.01-76,956.45

Finding the Fourth Proportional to 236,931.73, 355,431.01 and 76,956.45

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Solution

The fourth proportional to 236,931.73, 355,431.01 and 76,956.45 is: 115,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,931.73 : 355,431.01 = 76,956.45 : x
  2. Step 2: Convert to fraction form
    236,931.73/355,431.01 = 76,956.45/x
  3. Step 3: Cross multiply
    236,931.73x = 355,431.01 × 76,956.45
  4. Step 4: Simplify right side
    236,931.73x = 27,352,707,143.45
  5. Step 5: Solve for x
    x = 27,352,707,143.45/236,931.73
  6. Step 6: Final answer
    x = 115,445.52

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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.