Home / 127,628.13-191,451.06-43,353.93

Finding the Fourth Proportional to 127,628.13, 191,451.06 and 43,353.93

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Solution

The fourth proportional to 127,628.13, 191,451.06 and 43,353.93 is: 65,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,628.13 : 191,451.06 = 43,353.93 : x
  2. Step 2: Convert to fraction form
    127,628.13/191,451.06 = 43,353.93/x
  3. Step 3: Cross multiply
    127,628.13x = 191,451.06 × 43,353.93
  4. Step 4: Simplify right side
    127,628.13x = 8,300,155,853.67
  5. Step 5: Solve for x
    x = 8,300,155,853.67/127,628.13
  6. Step 6: Final answer
    x = 65,033.91

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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.