Home / 127,343.10-191,052.84-51,402.60

Finding the Fourth Proportional to 127,343.10, 191,052.84 and 51,402.60

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Solution

The fourth proportional to 127,343.10, 191,052.84 and 51,402.60 is: 77,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.10 : 191,052.84 = 51,402.60 : x
  2. Step 2: Convert to fraction form
    127,343.10/191,052.84 = 51,402.60/x
  3. Step 3: Cross multiply
    127,343.10x = 191,052.84 × 51,402.60
  4. Step 4: Simplify right side
    127,343.10x = 9,820,612,713.38
  5. Step 5: Solve for x
    x = 9,820,612,713.38/127,343.10
  6. Step 6: Final answer
    x = 77,119.32

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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.