Home / 130,261.68-179,704.05-76,522.46

Finding the Fourth Proportional to 130,261.68, 179,704.05 and 76,522.46

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Solution

The fourth proportional to 130,261.68, 179,704.05 and 76,522.46 is: 105,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,261.68 : 179,704.05 = 76,522.46 : x
  2. Step 2: Convert to fraction form
    130,261.68/179,704.05 = 76,522.46/x
  3. Step 3: Cross multiply
    130,261.68x = 179,704.05 × 76,522.46
  4. Step 4: Simplify right side
    130,261.68x = 13,751,394,792.48
  5. Step 5: Solve for x
    x = 13,751,394,792.48/130,261.68
  6. Step 6: Final answer
    x = 105,567.46

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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.