Home / 127,650.98-176,131.65-73,932.78

Finding the Fourth Proportional to 127,650.98, 176,131.65 and 73,932.78

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Solution

The fourth proportional to 127,650.98, 176,131.65 and 73,932.78 is: 102,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650.98 : 176,131.65 = 73,932.78 : x
  2. Step 2: Convert to fraction form
    127,650.98/176,131.65 = 73,932.78/x
  3. Step 3: Cross multiply
    127,650.98x = 176,131.65 × 73,932.78
  4. Step 4: Simplify right side
    127,650.98x = 13,021,902,530.49
  5. Step 5: Solve for x
    x = 13,021,902,530.49/127,650.98
  6. Step 6: Final answer
    x = 102,011.77

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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.