Home / 127,279.10-190,960.12-60,710.56

Finding the Fourth Proportional to 127,279.10, 190,960.12 and 60,710.56

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Solution

The fourth proportional to 127,279.10, 190,960.12 and 60,710.56 is: 91,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.10 : 190,960.12 = 60,710.56 : x
  2. Step 2: Convert to fraction form
    127,279.10/190,960.12 = 60,710.56/x
  3. Step 3: Cross multiply
    127,279.10x = 190,960.12 × 60,710.56
  4. Step 4: Simplify right side
    127,279.10x = 11,593,295,822.87
  5. Step 5: Solve for x
    x = 11,593,295,822.87/127,279.10
  6. Step 6: Final answer
    x = 91,085.62

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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.