Home / 132,746.21-183,189.05-72,316.71

Finding the Fourth Proportional to 132,746.21, 183,189.05 and 72,316.71

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Solution

The fourth proportional to 132,746.21, 183,189.05 and 72,316.71 is: 99,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,746.21 : 183,189.05 = 72,316.71 : x
  2. Step 2: Convert to fraction form
    132,746.21/183,189.05 = 72,316.71/x
  3. Step 3: Cross multiply
    132,746.21x = 183,189.05 × 72,316.71
  4. Step 4: Simplify right side
    132,746.21x = 13,247,629,042.44
  5. Step 5: Solve for x
    x = 13,247,629,042.44/132,746.21
  6. Step 6: Final answer
    x = 99,796.67

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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.