Home / 127,285.15-175,634.00-73,559.80

Finding the Fourth Proportional to 127,285.15, 175,634.00 and 73,559.80

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Solution

The fourth proportional to 127,285.15, 175,634.00 and 73,559.80 is: 101,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,285.15 : 175,634.00 = 73,559.80 : x
  2. Step 2: Convert to fraction form
    127,285.15/175,634.00 = 73,559.80/x
  3. Step 3: Cross multiply
    127,285.15x = 175,634.00 × 73,559.80
  4. Step 4: Simplify right side
    127,285.15x = 12,919,600,845.96
  5. Step 5: Solve for x
    x = 12,919,600,845.96/127,285.15
  6. Step 6: Final answer
    x = 101,501.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.