Home / 127,607.25-176,108.18-73,893.21

Finding the Fourth Proportional to 127,607.25, 176,108.18 and 73,893.21

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Solution

The fourth proportional to 127,607.25, 176,108.18 and 73,893.21 is: 101,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.25 : 176,108.18 = 73,893.21 : x
  2. Step 2: Convert to fraction form
    127,607.25/176,108.18 = 73,893.21/x
  3. Step 3: Cross multiply
    127,607.25x = 176,108.18 × 73,893.21
  4. Step 4: Simplify right side
    127,607.25x = 13,013,198,357.99
  5. Step 5: Solve for x
    x = 13,013,198,357.99/127,607.25
  6. Step 6: Final answer
    x = 101,978.52

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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.