Home / 163,020.78-244,567.89-57,839.58

Finding the Fourth Proportional to 163,020.78, 244,567.89 and 57,839.58

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Solution

The fourth proportional to 163,020.78, 244,567.89 and 57,839.58 is: 86,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,020.78 : 244,567.89 = 57,839.58 : x
  2. Step 2: Convert to fraction form
    163,020.78/244,567.89 = 57,839.58/x
  3. Step 3: Cross multiply
    163,020.78x = 244,567.89 × 57,839.58
  4. Step 4: Simplify right side
    163,020.78x = 14,145,704,039.09
  5. Step 5: Solve for x
    x = 14,145,704,039.09/163,020.78
  6. Step 6: Final answer
    x = 86,772.40

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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.