Home / 127,736.37-176,267.69-74,011.82

Finding the Fourth Proportional to 127,736.37, 176,267.69 and 74,011.82

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Solution

The fourth proportional to 127,736.37, 176,267.69 and 74,011.82 is: 102,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,736.37 : 176,267.69 = 74,011.82 : x
  2. Step 2: Convert to fraction form
    127,736.37/176,267.69 = 74,011.82/x
  3. Step 3: Cross multiply
    127,736.37x = 176,267.69 × 74,011.82
  4. Step 4: Simplify right side
    127,736.37x = 13,045,891,292.70
  5. Step 5: Solve for x
    x = 13,045,891,292.70/127,736.37
  6. Step 6: Final answer
    x = 102,131.38

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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.