Home / 158,176.20-236,918.70-122,838.60

Finding the Fourth Proportional to 158,176.20, 236,918.70 and 122,838.60

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Solution

The fourth proportional to 158,176.20, 236,918.70 and 122,838.60 is: 183,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,176.20 : 236,918.70 = 122,838.60 : x
  2. Step 2: Convert to fraction form
    158,176.20/236,918.70 = 122,838.60/x
  3. Step 3: Cross multiply
    158,176.20x = 236,918.70 × 122,838.60
  4. Step 4: Simplify right side
    158,176.20x = 29,102,761,421.82
  5. Step 5: Solve for x
    x = 29,102,761,421.82/158,176.20
  6. Step 6: Final answer
    x = 183,989.51

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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.