Home / 127,311.21-190,967.36-43,071.89

Finding the Fourth Proportional to 127,311.21, 190,967.36 and 43,071.89

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Solution

The fourth proportional to 127,311.21, 190,967.36 and 43,071.89 is: 64,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.21 : 190,967.36 = 43,071.89 : x
  2. Step 2: Convert to fraction form
    127,311.21/190,967.36 = 43,071.89/x
  3. Step 3: Cross multiply
    127,311.21x = 190,967.36 × 43,071.89
  4. Step 4: Simplify right side
    127,311.21x = 8,225,323,953.31
  5. Step 5: Solve for x
    x = 8,225,323,953.31/127,311.21
  6. Step 6: Final answer
    x = 64,608.01

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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.