Home / 130,524.28-180,117.48-73,936.12

Finding the Fourth Proportional to 130,524.28, 180,117.48 and 73,936.12

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Solution

The fourth proportional to 130,524.28, 180,117.48 and 73,936.12 is: 102,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,524.28 : 180,117.48 = 73,936.12 : x
  2. Step 2: Convert to fraction form
    130,524.28/180,117.48 = 73,936.12/x
  3. Step 3: Cross multiply
    130,524.28x = 180,117.48 × 73,936.12
  4. Step 4: Simplify right side
    130,524.28x = 13,317,187,615.38
  5. Step 5: Solve for x
    x = 13,317,187,615.38/130,524.28
  6. Step 6: Final answer
    x = 102,028.43

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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.