Home / 132,533.19-182,882.13-78,807.83

Finding the Fourth Proportional to 132,533.19, 182,882.13 and 78,807.83

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Solution

The fourth proportional to 132,533.19, 182,882.13 and 78,807.83 is: 108,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,533.19 : 182,882.13 = 78,807.83 : x
  2. Step 2: Convert to fraction form
    132,533.19/182,882.13 = 78,807.83/x
  3. Step 3: Cross multiply
    132,533.19x = 182,882.13 × 78,807.83
  4. Step 4: Simplify right side
    132,533.19x = 14,412,542,896.67
  5. Step 5: Solve for x
    x = 14,412,542,896.67/132,533.19
  6. Step 6: Final answer
    x = 108,746.67

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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.