Home / 127,754.58-176,262.30-74,029.23

Finding the Fourth Proportional to 127,754.58, 176,262.30 and 74,029.23

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Solution

The fourth proportional to 127,754.58, 176,262.30 and 74,029.23 is: 102,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754.58 : 176,262.30 = 74,029.23 : x
  2. Step 2: Convert to fraction form
    127,754.58/176,262.30 = 74,029.23/x
  3. Step 3: Cross multiply
    127,754.58x = 176,262.30 × 74,029.23
  4. Step 4: Simplify right side
    127,754.58x = 13,048,562,347.03
  5. Step 5: Solve for x
    x = 13,048,562,347.03/127,754.58
  6. Step 6: Final answer
    x = 102,137.73

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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.