Home / 132,133.42-182,495.61-87,013.18

Finding the Fourth Proportional to 132,133.42, 182,495.61 and 87,013.18

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Solution

The fourth proportional to 132,133.42, 182,495.61 and 87,013.18 is: 120,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,133.42 : 182,495.61 = 87,013.18 : x
  2. Step 2: Convert to fraction form
    132,133.42/182,495.61 = 87,013.18/x
  3. Step 3: Cross multiply
    132,133.42x = 182,495.61 × 87,013.18
  4. Step 4: Simplify right side
    132,133.42x = 15,879,523,362.14
  5. Step 5: Solve for x
    x = 15,879,523,362.14/132,133.42
  6. Step 6: Final answer
    x = 120,177.95

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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.