Home / 133,017.56-183,568.13-72,592.10

Finding the Fourth Proportional to 133,017.56, 183,568.13 and 72,592.10

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Solution

The fourth proportional to 133,017.56, 183,568.13 and 72,592.10 is: 100,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.56 : 183,568.13 = 72,592.10 : x
  2. Step 2: Convert to fraction form
    133,017.56/183,568.13 = 72,592.10/x
  3. Step 3: Cross multiply
    133,017.56x = 183,568.13 × 72,592.10
  4. Step 4: Simplify right side
    133,017.56x = 13,325,594,768.97
  5. Step 5: Solve for x
    x = 13,325,594,768.97/133,017.56
  6. Step 6: Final answer
    x = 100,179.22

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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.