Home / 127,223.40-190,835.10-110,310.60

Finding the Fourth Proportional to 127,223.40, 190,835.10 and 110,310.60

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Solution

The fourth proportional to 127,223.40, 190,835.10 and 110,310.60 is: 165,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,223.40 : 190,835.10 = 110,310.60 : x
  2. Step 2: Convert to fraction form
    127,223.40/190,835.10 = 110,310.60/x
  3. Step 3: Cross multiply
    127,223.40x = 190,835.10 × 110,310.60
  4. Step 4: Simplify right side
    127,223.40x = 21,051,134,382.06
  5. Step 5: Solve for x
    x = 21,051,134,382.06/127,223.40
  6. Step 6: Final answer
    x = 165,465.90

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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.