Home / 132,268.84-182,509.67-81,265.16

Finding the Fourth Proportional to 132,268.84, 182,509.67 and 81,265.16

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Solution

The fourth proportional to 132,268.84, 182,509.67 and 81,265.16 is: 112,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.84 : 182,509.67 = 81,265.16 : x
  2. Step 2: Convert to fraction form
    132,268.84/182,509.67 = 81,265.16/x
  3. Step 3: Cross multiply
    132,268.84x = 182,509.67 × 81,265.16
  4. Step 4: Simplify right side
    132,268.84x = 14,831,677,127.77
  5. Step 5: Solve for x
    x = 14,831,677,127.77/132,268.84
  6. Step 6: Final answer
    x = 112,132.82

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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.