Home / 124,180.84-171,402.52-76,474.16

Finding the Fourth Proportional to 124,180.84, 171,402.52 and 76,474.16

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Solution

The fourth proportional to 124,180.84, 171,402.52 and 76,474.16 is: 105,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180.84 : 171,402.52 = 76,474.16 : x
  2. Step 2: Convert to fraction form
    124,180.84/171,402.52 = 76,474.16/x
  3. Step 3: Cross multiply
    124,180.84x = 171,402.52 × 76,474.16
  4. Step 4: Simplify right side
    124,180.84x = 13,107,863,738.88
  5. Step 5: Solve for x
    x = 13,107,863,738.88/124,180.84
  6. Step 6: Final answer
    x = 105,554.64

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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.