Home / 130,884.19-180,600.50-73,512.52

Finding the Fourth Proportional to 130,884.19, 180,600.50 and 73,512.52

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Solution

The fourth proportional to 130,884.19, 180,600.50 and 73,512.52 is: 101,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,884.19 : 180,600.50 = 73,512.52 : x
  2. Step 2: Convert to fraction form
    130,884.19/180,600.50 = 73,512.52/x
  3. Step 3: Cross multiply
    130,884.19x = 180,600.50 × 73,512.52
  4. Step 4: Simplify right side
    130,884.19x = 13,276,397,882.59
  5. Step 5: Solve for x
    x = 13,276,397,882.59/130,884.19
  6. Step 6: Final answer
    x = 101,436.22

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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.