Home / 130,563.18-180,166.92-73,960.38

Finding the Fourth Proportional to 130,563.18, 180,166.92 and 73,960.38

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Solution

The fourth proportional to 130,563.18, 180,166.92 and 73,960.38 is: 102,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563.18 : 180,166.92 = 73,960.38 : x
  2. Step 2: Convert to fraction form
    130,563.18/180,166.92 = 73,960.38/x
  3. Step 3: Cross multiply
    130,563.18x = 180,166.92 × 73,960.38
  4. Step 4: Simplify right side
    130,563.18x = 13,325,213,866.63
  5. Step 5: Solve for x
    x = 13,325,213,866.63/130,563.18
  6. Step 6: Final answer
    x = 102,059.51

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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.