Home / 131,019.22-180,812.93-73,676.59

Finding the Fourth Proportional to 131,019.22, 180,812.93 and 73,676.59

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Solution

The fourth proportional to 131,019.22, 180,812.93 and 73,676.59 is: 101,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,019.22 : 180,812.93 = 73,676.59 : x
  2. Step 2: Convert to fraction form
    131,019.22/180,812.93 = 73,676.59/x
  3. Step 3: Cross multiply
    131,019.22x = 180,812.93 × 73,676.59
  4. Step 4: Simplify right side
    131,019.22x = 13,321,680,110.31
  5. Step 5: Solve for x
    x = 13,321,680,110.31/131,019.22
  6. Step 6: Final answer
    x = 101,677.30

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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.