Home / 134,913.24-186,179.28-74,483.88

Finding the Fourth Proportional to 134,913.24, 186,179.28 and 74,483.88

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Solution

The fourth proportional to 134,913.24, 186,179.28 and 74,483.88 is: 102,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.24 : 186,179.28 = 74,483.88 : x
  2. Step 2: Convert to fraction form
    134,913.24/186,179.28 = 74,483.88/x
  3. Step 3: Cross multiply
    134,913.24x = 186,179.28 × 74,483.88
  4. Step 4: Simplify right side
    134,913.24x = 13,867,355,150.01
  5. Step 5: Solve for x
    x = 13,867,355,150.01/134,913.24
  6. Step 6: Final answer
    x = 102,787.21

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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.