Home / 152,731.63-229,005.40-68,476.54

Finding the Fourth Proportional to 152,731.63, 229,005.40 and 68,476.54

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Solution

The fourth proportional to 152,731.63, 229,005.40 and 68,476.54 is: 102,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,731.63 : 229,005.40 = 68,476.54 : x
  2. Step 2: Convert to fraction form
    152,731.63/229,005.40 = 68,476.54/x
  3. Step 3: Cross multiply
    152,731.63x = 229,005.40 × 68,476.54
  4. Step 4: Simplify right side
    152,731.63x = 15,681,497,433.32
  5. Step 5: Solve for x
    x = 15,681,497,433.32/152,731.63
  6. Step 6: Final answer
    x = 102,673.54

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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.