Home / 132,173.60-182,494.37-81,254.63

Finding the Fourth Proportional to 132,173.60, 182,494.37 and 81,254.63

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Solution

The fourth proportional to 132,173.60, 182,494.37 and 81,254.63 is: 112,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.60 : 182,494.37 = 81,254.63 : x
  2. Step 2: Convert to fraction form
    132,173.60/182,494.37 = 81,254.63/x
  3. Step 3: Cross multiply
    132,173.60x = 182,494.37 × 81,254.63
  4. Step 4: Simplify right side
    132,173.60x = 14,828,511,192.69
  5. Step 5: Solve for x
    x = 14,828,511,192.69/132,173.60
  6. Step 6: Final answer
    x = 112,189.66

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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.