Home / 127,623.37-191,553.21-64,487.92

Finding the Fourth Proportional to 127,623.37, 191,553.21 and 64,487.92

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Solution

The fourth proportional to 127,623.37, 191,553.21 and 64,487.92 is: 96,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.37 : 191,553.21 = 64,487.92 : x
  2. Step 2: Convert to fraction form
    127,623.37/191,553.21 = 64,487.92/x
  3. Step 3: Cross multiply
    127,623.37x = 191,553.21 × 64,487.92
  4. Step 4: Simplify right side
    127,623.37x = 12,352,867,603.34
  5. Step 5: Solve for x
    x = 12,352,867,603.34/127,623.37
  6. Step 6: Final answer
    x = 96,791.58

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1.5x scale

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.