Home / 130,261.62-179,761.04-73,671.78

Finding the Fourth Proportional to 130,261.62, 179,761.04 and 73,671.78

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Solution

The fourth proportional to 130,261.62, 179,761.04 and 73,671.78 is: 101,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,261.62 : 179,761.04 = 73,671.78 : x
  2. Step 2: Convert to fraction form
    130,261.62/179,761.04 = 73,671.78/x
  3. Step 3: Cross multiply
    130,261.62x = 179,761.04 × 73,671.78
  4. Step 4: Simplify right side
    130,261.62x = 13,243,315,791.45
  5. Step 5: Solve for x
    x = 13,243,315,791.45/130,261.62
  6. Step 6: Final answer
    x = 101,667.06

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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.