Home / 127,628.18-191,323.94-56,512.94

Finding the Fourth Proportional to 127,628.18, 191,323.94 and 56,512.94

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Solution

The fourth proportional to 127,628.18, 191,323.94 and 56,512.94 is: 84,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,628.18 : 191,323.94 = 56,512.94 : x
  2. Step 2: Convert to fraction form
    127,628.18/191,323.94 = 56,512.94/x
  3. Step 3: Cross multiply
    127,628.18x = 191,323.94 × 56,512.94
  4. Step 4: Simplify right side
    127,628.18x = 10,812,278,341.78
  5. Step 5: Solve for x
    x = 10,812,278,341.78/127,628.18
  6. Step 6: Final answer
    x = 84,717.01

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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.