Home / 132,053.05-182,235.69-81,040.25

Finding the Fourth Proportional to 132,053.05, 182,235.69 and 81,040.25

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Solution

The fourth proportional to 132,053.05, 182,235.69 and 81,040.25 is: 111,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,053.05 : 182,235.69 = 81,040.25 : x
  2. Step 2: Convert to fraction form
    132,053.05/182,235.69 = 81,040.25/x
  3. Step 3: Cross multiply
    132,053.05x = 182,235.69 × 81,040.25
  4. Step 4: Simplify right side
    132,053.05x = 14,768,426,332.11
  5. Step 5: Solve for x
    x = 14,768,426,332.11/132,053.05
  6. Step 6: Final answer
    x = 111,837.07

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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.