Home / 188,576.13-260,224.20-103,693.26

Finding the Fourth Proportional to 188,576.13, 260,224.20 and 103,693.26

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Solution

The fourth proportional to 188,576.13, 260,224.20 and 103,693.26 is: 143,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,576.13 : 260,224.20 = 103,693.26 : x
  2. Step 2: Convert to fraction form
    188,576.13/260,224.20 = 103,693.26/x
  3. Step 3: Cross multiply
    188,576.13x = 260,224.20 × 103,693.26
  4. Step 4: Simplify right side
    188,576.13x = 26,983,495,628.89
  5. Step 5: Solve for x
    x = 26,983,495,628.89/188,576.13
  6. Step 6: Final answer
    x = 143,090.73

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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.