Home / 329,130.50-493,671.13-118,768.43

Finding the Fourth Proportional to 329,130.50, 493,671.13 and 118,768.43

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Solution

The fourth proportional to 329,130.50, 493,671.13 and 118,768.43 is: 178,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,130.50 : 493,671.13 = 118,768.43 : x
  2. Step 2: Convert to fraction form
    329,130.50/493,671.13 = 118,768.43/x
  3. Step 3: Cross multiply
    329,130.50x = 493,671.13 × 118,768.43
  4. Step 4: Simplify right side
    329,130.50x = 58,632,545,983.68
  5. Step 5: Solve for x
    x = 58,632,545,983.68/329,130.50
  6. Step 6: Final answer
    x = 178,143.77

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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.