Home / 132,238.37-182,490.27-71,809.54

Finding the Fourth Proportional to 132,238.37, 182,490.27 and 71,809.54

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Solution

The fourth proportional to 132,238.37, 182,490.27 and 71,809.54 is: 99,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,238.37 : 182,490.27 = 71,809.54 : x
  2. Step 2: Convert to fraction form
    132,238.37/182,490.27 = 71,809.54/x
  3. Step 3: Cross multiply
    132,238.37x = 182,490.27 × 71,809.54
  4. Step 4: Simplify right side
    132,238.37x = 13,104,541,617.66
  5. Step 5: Solve for x
    x = 13,104,541,617.66/132,238.37
  6. Step 6: Final answer
    x = 99,097.87

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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.