Home / 130,516.20-180,112.35-73,927.58

Finding the Fourth Proportional to 130,516.20, 180,112.35 and 73,927.58

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Solution

The fourth proportional to 130,516.20, 180,112.35 and 73,927.58 is: 102,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,516.20 : 180,112.35 = 73,927.58 : x
  2. Step 2: Convert to fraction form
    130,516.20/180,112.35 = 73,927.58/x
  3. Step 3: Cross multiply
    130,516.20x = 180,112.35 × 73,927.58
  4. Step 4: Simplify right side
    130,516.20x = 13,315,270,163.61
  5. Step 5: Solve for x
    x = 13,315,270,163.61/130,516.20
  6. Step 6: Final answer
    x = 102,020.06

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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.