Home / 106,582.14-158,999.49-103,686.21

Finding the Fourth Proportional to 106,582.14, 158,999.49 and 103,686.21

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Solution

The fourth proportional to 106,582.14, 158,999.49 and 103,686.21 is: 154,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,582.14 : 158,999.49 = 103,686.21 : x
  2. Step 2: Convert to fraction form
    106,582.14/158,999.49 = 103,686.21/x
  3. Step 3: Cross multiply
    106,582.14x = 158,999.49 × 103,686.21
  4. Step 4: Simplify right side
    106,582.14x = 16,486,054,510.03
  5. Step 5: Solve for x
    x = 16,486,054,510.03/106,582.14
  6. Step 6: Final answer
    x = 154,679.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.