Home / 161,607.04-242,456.64-55,014.40

Finding the Fourth Proportional to 161,607.04, 242,456.64 and 55,014.40

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Solution

The fourth proportional to 161,607.04, 242,456.64 and 55,014.40 is: 82,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607.04 : 242,456.64 = 55,014.40 : x
  2. Step 2: Convert to fraction form
    161,607.04/242,456.64 = 55,014.40/x
  3. Step 3: Cross multiply
    161,607.04x = 242,456.64 × 55,014.40
  4. Step 4: Simplify right side
    161,607.04x = 13,338,606,575.62
  5. Step 5: Solve for x
    x = 13,338,606,575.62/161,607.04
  6. Step 6: Final answer
    x = 82,537.29

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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.