Home / 134,913.46-186,179.52-74,484.04

Finding the Fourth Proportional to 134,913.46, 186,179.52 and 74,484.04

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Solution

The fourth proportional to 134,913.46, 186,179.52 and 74,484.04 is: 102,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.46 : 186,179.52 = 74,484.04 : x
  2. Step 2: Convert to fraction form
    134,913.46/186,179.52 = 74,484.04/x
  3. Step 3: Cross multiply
    134,913.46x = 186,179.52 × 74,484.04
  4. Step 4: Simplify right side
    134,913.46x = 13,867,402,814.86
  5. Step 5: Solve for x
    x = 13,867,402,814.86/134,913.46
  6. Step 6: Final answer
    x = 102,787.39

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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.