Home / 132,285.45-182,481.21-83,798.58

Finding the Fourth Proportional to 132,285.45, 182,481.21 and 83,798.58

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Solution

The fourth proportional to 132,285.45, 182,481.21 and 83,798.58 is: 115,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.45 : 182,481.21 = 83,798.58 : x
  2. Step 2: Convert to fraction form
    132,285.45/182,481.21 = 83,798.58/x
  3. Step 3: Cross multiply
    132,285.45x = 182,481.21 × 83,798.58
  4. Step 4: Simplify right side
    132,285.45x = 15,291,666,274.68
  5. Step 5: Solve for x
    x = 15,291,666,274.68/132,285.45
  6. Step 6: Final answer
    x = 115,595.98

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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.