Home / 132,563.12-182,931.72-75,935.12

Finding the Fourth Proportional to 132,563.12, 182,931.72 and 75,935.12

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Solution

The fourth proportional to 132,563.12, 182,931.72 and 75,935.12 is: 104,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,563.12 : 182,931.72 = 75,935.12 : x
  2. Step 2: Convert to fraction form
    132,563.12/182,931.72 = 75,935.12/x
  3. Step 3: Cross multiply
    132,563.12x = 182,931.72 × 75,935.12
  4. Step 4: Simplify right side
    132,563.12x = 13,890,942,110.01
  5. Step 5: Solve for x
    x = 13,890,942,110.01/132,563.12
  6. Step 6: Final answer
    x = 104,787.38

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1.5x scale

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.