Home / 124,468.20-171,630.24-84,111.96

Finding the Fourth Proportional to 124,468.20, 171,630.24 and 84,111.96

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Solution

The fourth proportional to 124,468.20, 171,630.24 and 84,111.96 is: 115,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468.20 : 171,630.24 = 84,111.96 : x
  2. Step 2: Convert to fraction form
    124,468.20/171,630.24 = 84,111.96/x
  3. Step 3: Cross multiply
    124,468.20x = 171,630.24 × 84,111.96
  4. Step 4: Simplify right side
    124,468.20x = 14,436,155,881.67
  5. Step 5: Solve for x
    x = 14,436,155,881.67/124,468.20
  6. Step 6: Final answer
    x = 115,982.68

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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.