Home / 127,615.23-191,328.84-43,352.64

Finding the Fourth Proportional to 127,615.23, 191,328.84 and 43,352.64

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Solution

The fourth proportional to 127,615.23, 191,328.84 and 43,352.64 is: 64,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,615.23 : 191,328.84 = 43,352.64 : x
  2. Step 2: Convert to fraction form
    127,615.23/191,328.84 = 43,352.64/x
  3. Step 3: Cross multiply
    127,615.23x = 191,328.84 × 43,352.64
  4. Step 4: Simplify right side
    127,615.23x = 8,294,610,322.14
  5. Step 5: Solve for x
    x = 8,294,610,322.14/127,615.23
  6. Step 6: Final answer
    x = 64,997.03

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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.