Home / 132,289.10-182,562.24-71,859.72

Finding the Fourth Proportional to 132,289.10, 182,562.24 and 71,859.72

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Solution

The fourth proportional to 132,289.10, 182,562.24 and 71,859.72 is: 99,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,289.10 : 182,562.24 = 71,859.72 : x
  2. Step 2: Convert to fraction form
    132,289.10/182,562.24 = 71,859.72/x
  3. Step 3: Cross multiply
    132,289.10x = 182,562.24 × 71,859.72
  4. Step 4: Simplify right side
    132,289.10x = 13,118,871,448.97
  5. Step 5: Solve for x
    x = 13,118,871,448.97/132,289.10
  6. Step 6: Final answer
    x = 99,168.20

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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.