Home / 127,115.73-175,421.75-73,405.44

Finding the Fourth Proportional to 127,115.73, 175,421.75 and 73,405.44

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Solution

The fourth proportional to 127,115.73, 175,421.75 and 73,405.44 is: 101,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.73 : 175,421.75 = 73,405.44 : x
  2. Step 2: Convert to fraction form
    127,115.73/175,421.75 = 73,405.44/x
  3. Step 3: Cross multiply
    127,115.73x = 175,421.75 × 73,405.44
  4. Step 4: Simplify right side
    127,115.73x = 12,876,910,927.83
  5. Step 5: Solve for x
    x = 12,876,910,927.83/127,115.73
  6. Step 6: Final answer
    x = 101,300.69

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1.5x scale

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.