Home / 132,921.04-183,420.84-76,350.64

Finding the Fourth Proportional to 132,921.04, 183,420.84 and 76,350.64

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Solution

The fourth proportional to 132,921.04, 183,420.84 and 76,350.64 is: 105,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.04 : 183,420.84 = 76,350.64 : x
  2. Step 2: Convert to fraction form
    132,921.04/183,420.84 = 76,350.64/x
  3. Step 3: Cross multiply
    132,921.04x = 183,420.84 × 76,350.64
  4. Step 4: Simplify right side
    132,921.04x = 14,004,298,523.34
  5. Step 5: Solve for x
    x = 14,004,298,523.34/132,921.04
  6. Step 6: Final answer
    x = 105,358.03

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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.