Home / 190,077.75-262,279.06-115,447.38

Finding the Fourth Proportional to 190,077.75, 262,279.06 and 115,447.38

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Solution

The fourth proportional to 190,077.75, 262,279.06 and 115,447.38 is: 159,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,077.75 : 262,279.06 = 115,447.38 : x
  2. Step 2: Convert to fraction form
    190,077.75/262,279.06 = 115,447.38/x
  3. Step 3: Cross multiply
    190,077.75x = 262,279.06 × 115,447.38
  4. Step 4: Simplify right side
    190,077.75x = 30,279,430,305.86
  5. Step 5: Solve for x
    x = 30,279,430,305.86/190,077.75
  6. Step 6: Final answer
    x = 159,300.24

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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.