Home / 113,241.58-156,269.42-72,957.04

Finding the Fourth Proportional to 113,241.58, 156,269.42 and 72,957.04

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Solution

The fourth proportional to 113,241.58, 156,269.42 and 72,957.04 is: 100,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.58 : 156,269.42 = 72,957.04 : x
  2. Step 2: Convert to fraction form
    113,241.58/156,269.42 = 72,957.04/x
  3. Step 3: Cross multiply
    113,241.58x = 156,269.42 × 72,957.04
  4. Step 4: Simplify right side
    113,241.58x = 11,400,954,325.72
  5. Step 5: Solve for x
    x = 11,400,954,325.72/113,241.58
  6. Step 6: Final answer
    x = 100,678.16

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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.