Home / 161,577.39-242,253.64-71,571.24

Finding the Fourth Proportional to 161,577.39, 242,253.64 and 71,571.24

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Solution

The fourth proportional to 161,577.39, 242,253.64 and 71,571.24 is: 107,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,577.39 : 242,253.64 = 71,571.24 : x
  2. Step 2: Convert to fraction form
    161,577.39/242,253.64 = 71,571.24/x
  3. Step 3: Cross multiply
    161,577.39x = 242,253.64 × 71,571.24
  4. Step 4: Simplify right side
    161,577.39x = 17,338,393,409.31
  5. Step 5: Solve for x
    x = 17,338,393,409.31/161,577.39
  6. Step 6: Final answer
    x = 107,307.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.