Home / 132,302.91-182,579.28-71,874.01

Finding the Fourth Proportional to 132,302.91, 182,579.28 and 71,874.01

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Solution

The fourth proportional to 132,302.91, 182,579.28 and 71,874.01 is: 99,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,302.91 : 182,579.28 = 71,874.01 : x
  2. Step 2: Convert to fraction form
    132,302.91/182,579.28 = 71,874.01/x
  3. Step 3: Cross multiply
    132,302.91x = 182,579.28 × 71,874.01
  4. Step 4: Simplify right side
    132,302.91x = 13,122,704,996.51
  5. Step 5: Solve for x
    x = 13,122,704,996.51/132,302.91
  6. Step 6: Final answer
    x = 99,186.82

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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.