Home / 133,094.10-183,672.64-72,667.29

Finding the Fourth Proportional to 133,094.10, 183,672.64 and 72,667.29

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Solution

The fourth proportional to 133,094.10, 183,672.64 and 72,667.29 is: 100,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.10 : 183,672.64 = 72,667.29 : x
  2. Step 2: Convert to fraction form
    133,094.10/183,672.64 = 72,667.29/x
  3. Step 3: Cross multiply
    133,094.10x = 183,672.64 × 72,667.29
  4. Step 4: Simplify right side
    133,094.10x = 13,346,992,995.95
  5. Step 5: Solve for x
    x = 13,346,992,995.95/133,094.10
  6. Step 6: Final answer
    x = 100,282.38

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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.