Home / 146,637.25-202,359.54-79,569.25

Finding the Fourth Proportional to 146,637.25, 202,359.54 and 79,569.25

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Solution

The fourth proportional to 146,637.25, 202,359.54 and 79,569.25 is: 109,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,637.25 : 202,359.54 = 79,569.25 : x
  2. Step 2: Convert to fraction form
    146,637.25/202,359.54 = 79,569.25/x
  3. Step 3: Cross multiply
    146,637.25x = 202,359.54 × 79,569.25
  4. Step 4: Simplify right side
    146,637.25x = 16,101,596,828.15
  5. Step 5: Solve for x
    x = 16,101,596,828.15/146,637.25
  6. Step 6: Final answer
    x = 109,805.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.