Home / 127,534.37-191,232.09-82,549.40

Finding the Fourth Proportional to 127,534.37, 191,232.09 and 82,549.40

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Solution

The fourth proportional to 127,534.37, 191,232.09 and 82,549.40 is: 123,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.37 : 191,232.09 = 82,549.40 : x
  2. Step 2: Convert to fraction form
    127,534.37/191,232.09 = 82,549.40/x
  3. Step 3: Cross multiply
    127,534.37x = 191,232.09 × 82,549.40
  4. Step 4: Simplify right side
    127,534.37x = 15,786,093,334.09
  5. Step 5: Solve for x
    x = 15,786,093,334.09/127,534.37
  6. Step 6: Final answer
    x = 123,779.13

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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.