Home / 132,018.21-182,194.79-75,428.37

Finding the Fourth Proportional to 132,018.21, 182,194.79 and 75,428.37

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Solution

The fourth proportional to 132,018.21, 182,194.79 and 75,428.37 is: 104,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018.21 : 182,194.79 = 75,428.37 : x
  2. Step 2: Convert to fraction form
    132,018.21/182,194.79 = 75,428.37/x
  3. Step 3: Cross multiply
    132,018.21x = 182,194.79 × 75,428.37
  4. Step 4: Simplify right side
    132,018.21x = 13,742,655,655.05
  5. Step 5: Solve for x
    x = 13,742,655,655.05/132,018.21
  6. Step 6: Final answer
    x = 104,096.67

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1.5x scale

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.