Home / 127,279.94-176,026.90-111,336.70

Finding the Fourth Proportional to 127,279.94, 176,026.90 and 111,336.70

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Solution

The fourth proportional to 127,279.94, 176,026.90 and 111,336.70 is: 153,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.94 : 176,026.90 = 111,336.70 : x
  2. Step 2: Convert to fraction form
    127,279.94/176,026.90 = 111,336.70/x
  3. Step 3: Cross multiply
    127,279.94x = 176,026.90 × 111,336.70
  4. Step 4: Simplify right side
    127,279.94x = 19,598,254,157.23
  5. Step 5: Solve for x
    x = 19,598,254,157.23/127,279.94
  6. Step 6: Final answer
    x = 153,977.56

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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.