Home / 130,876.46-180,562.07-74,255.03

Finding the Fourth Proportional to 130,876.46, 180,562.07 and 74,255.03

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Solution

The fourth proportional to 130,876.46, 180,562.07 and 74,255.03 is: 102,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,876.46 : 180,562.07 = 74,255.03 : x
  2. Step 2: Convert to fraction form
    130,876.46/180,562.07 = 74,255.03/x
  3. Step 3: Cross multiply
    130,876.46x = 180,562.07 × 74,255.03
  4. Step 4: Simplify right side
    130,876.46x = 13,407,640,650.63
  5. Step 5: Solve for x
    x = 13,407,640,650.63/130,876.46
  6. Step 6: Final answer
    x = 102,445.02

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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.