Home / 132,137.43-182,349.77-71,708.08

Finding the Fourth Proportional to 132,137.43, 182,349.77 and 71,708.08

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Solution

The fourth proportional to 132,137.43, 182,349.77 and 71,708.08 is: 98,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.43 : 182,349.77 = 71,708.08 : x
  2. Step 2: Convert to fraction form
    132,137.43/182,349.77 = 71,708.08/x
  3. Step 3: Cross multiply
    132,137.43x = 182,349.77 × 71,708.08
  4. Step 4: Simplify right side
    132,137.43x = 13,075,950,983.39
  5. Step 5: Solve for x
    x = 13,075,950,983.39/132,137.43
  6. Step 6: Final answer
    x = 98,957.21

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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.