Home / 130,552.32-180,161.76-73,974.48

Finding the Fourth Proportional to 130,552.32, 180,161.76 and 73,974.48

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Solution

The fourth proportional to 130,552.32, 180,161.76 and 73,974.48 is: 102,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,552.32 : 180,161.76 = 73,974.48 : x
  2. Step 2: Convert to fraction form
    130,552.32/180,161.76 = 73,974.48/x
  3. Step 3: Cross multiply
    130,552.32x = 180,161.76 × 73,974.48
  4. Step 4: Simplify right side
    130,552.32x = 13,327,372,511.88
  5. Step 5: Solve for x
    x = 13,327,372,511.88/130,552.32
  6. Step 6: Final answer
    x = 102,084.53

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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.