Home / 163,929-245,747.62-64,066.49

Finding the Fourth Proportional to 163,929, 245,747.62 and 64,066.49

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Solution

The fourth proportional to 163,929, 245,747.62 and 64,066.49 is: 96,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,929 : 245,747.62 = 64,066.49 : x
  2. Step 2: Convert to fraction form
    163,929/245,747.62 = 64,066.49/x
  3. Step 3: Cross multiply
    163,929x = 245,747.62 × 64,066.49
  4. Step 4: Simplify right side
    163,929x = 15,744,185,890.18
  5. Step 5: Solve for x
    x = 15,744,185,890.18/163,929
  6. Step 6: Final answer
    x = 96,042.71

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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.