Home / 152,973.54-229,381.52-68,661.43

Finding the Fourth Proportional to 152,973.54, 229,381.52 and 68,661.43

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Solution

The fourth proportional to 152,973.54, 229,381.52 and 68,661.43 is: 102,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,973.54 : 229,381.52 = 68,661.43 : x
  2. Step 2: Convert to fraction form
    152,973.54/229,381.52 = 68,661.43/x
  3. Step 3: Cross multiply
    152,973.54x = 229,381.52 × 68,661.43
  4. Step 4: Simplify right side
    152,973.54x = 15,749,662,262.01
  5. Step 5: Solve for x
    x = 15,749,662,262.01/152,973.54
  6. Step 6: Final answer
    x = 102,956.77

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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.