Home / 158,263.04-218,401.94-86,644.26

Finding the Fourth Proportional to 158,263.04, 218,401.94 and 86,644.26

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Solution

The fourth proportional to 158,263.04, 218,401.94 and 86,644.26 is: 119,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,263.04 : 218,401.94 = 86,644.26 : x
  2. Step 2: Convert to fraction form
    158,263.04/218,401.94 = 86,644.26/x
  3. Step 3: Cross multiply
    158,263.04x = 218,401.94 × 86,644.26
  4. Step 4: Simplify right side
    158,263.04x = 18,923,274,040.64
  5. Step 5: Solve for x
    x = 18,923,274,040.64/158,263.04
  6. Step 6: Final answer
    x = 119,568.50

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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.