Home / 132,031.96-182,134.37-81,054.81

Finding the Fourth Proportional to 132,031.96, 182,134.37 and 81,054.81

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Solution

The fourth proportional to 132,031.96, 182,134.37 and 81,054.81 is: 111,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.96 : 182,134.37 = 81,054.81 : x
  2. Step 2: Convert to fraction form
    132,031.96/182,134.37 = 81,054.81/x
  3. Step 3: Cross multiply
    132,031.96x = 182,134.37 × 81,054.81
  4. Step 4: Simplify right side
    132,031.96x = 14,762,866,957.46
  5. Step 5: Solve for x
    x = 14,762,866,957.46/132,031.96
  6. Step 6: Final answer
    x = 111,812.83

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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.