Home / 132,080.14-182,222.76-86,782.51

Finding the Fourth Proportional to 132,080.14, 182,222.76 and 86,782.51

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Solution

The fourth proportional to 132,080.14, 182,222.76 and 86,782.51 is: 119,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.14 : 182,222.76 = 86,782.51 : x
  2. Step 2: Convert to fraction form
    132,080.14/182,222.76 = 86,782.51/x
  3. Step 3: Cross multiply
    132,080.14x = 182,222.76 × 86,782.51
  4. Step 4: Simplify right side
    132,080.14x = 15,813,748,491.93
  5. Step 5: Solve for x
    x = 15,813,748,491.93/132,080.14
  6. Step 6: Final answer
    x = 119,728.44

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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.