Home / 133,259.10-183,879.83-85,577.03

Finding the Fourth Proportional to 133,259.10, 183,879.83 and 85,577.03

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Solution

The fourth proportional to 133,259.10, 183,879.83 and 85,577.03 is: 118,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,259.10 : 183,879.83 = 85,577.03 : x
  2. Step 2: Convert to fraction form
    133,259.10/183,879.83 = 85,577.03/x
  3. Step 3: Cross multiply
    133,259.10x = 183,879.83 × 85,577.03
  4. Step 4: Simplify right side
    133,259.10x = 15,735,889,712.40
  5. Step 5: Solve for x
    x = 15,735,889,712.40/133,259.10
  6. Step 6: Final answer
    x = 118,084.92

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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.