Home / 134,731.54-185,915.41-74,299.87

Finding the Fourth Proportional to 134,731.54, 185,915.41 and 74,299.87

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Solution

The fourth proportional to 134,731.54, 185,915.41 and 74,299.87 is: 102,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,731.54 : 185,915.41 = 74,299.87 : x
  2. Step 2: Convert to fraction form
    134,731.54/185,915.41 = 74,299.87/x
  3. Step 3: Cross multiply
    134,731.54x = 185,915.41 × 74,299.87
  4. Step 4: Simplify right side
    134,731.54x = 13,813,490,794.00
  5. Step 5: Solve for x
    x = 13,813,490,794.00/134,731.54
  6. Step 6: Final answer
    x = 102,526.04

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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.