Home / 163,573.69-245,399.73-79,235.27

Finding the Fourth Proportional to 163,573.69, 245,399.73 and 79,235.27

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Solution

The fourth proportional to 163,573.69, 245,399.73 and 79,235.27 is: 118,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,573.69 : 245,399.73 = 79,235.27 : x
  2. Step 2: Convert to fraction form
    163,573.69/245,399.73 = 79,235.27/x
  3. Step 3: Cross multiply
    163,573.69x = 245,399.73 × 79,235.27
  4. Step 4: Simplify right side
    163,573.69x = 19,444,313,864.48
  5. Step 5: Solve for x
    x = 19,444,313,864.48/163,573.69
  6. Step 6: Final answer
    x = 118,871.89

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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.