Home / 132,756.05-183,119.64-79,000.94

Finding the Fourth Proportional to 132,756.05, 183,119.64 and 79,000.94

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Solution

The fourth proportional to 132,756.05, 183,119.64 and 79,000.94 is: 108,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,756.05 : 183,119.64 = 79,000.94 : x
  2. Step 2: Convert to fraction form
    132,756.05/183,119.64 = 79,000.94/x
  3. Step 3: Cross multiply
    132,756.05x = 183,119.64 × 79,000.94
  4. Step 4: Simplify right side
    132,756.05x = 14,466,622,776.86
  5. Step 5: Solve for x
    x = 14,466,622,776.86/132,756.05
  6. Step 6: Final answer
    x = 108,971.48

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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.