Home / 127,610.40-191,274.57-52,689.24

Finding the Fourth Proportional to 127,610.40, 191,274.57 and 52,689.24

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Solution

The fourth proportional to 127,610.40, 191,274.57 and 52,689.24 is: 78,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,610.40 : 191,274.57 = 52,689.24 : x
  2. Step 2: Convert to fraction form
    127,610.40/191,274.57 = 52,689.24/x
  3. Step 3: Cross multiply
    127,610.40x = 191,274.57 × 52,689.24
  4. Step 4: Simplify right side
    127,610.40x = 10,078,111,724.63
  5. Step 5: Solve for x
    x = 10,078,111,724.63/127,610.40
  6. Step 6: Final answer
    x = 78,975.63

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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.