Home / 161,605.04-242,453.64-55,012.40

Finding the Fourth Proportional to 161,605.04, 242,453.64 and 55,012.40

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Solution

The fourth proportional to 161,605.04, 242,453.64 and 55,012.40 is: 82,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,605.04 : 242,453.64 = 55,012.40 : x
  2. Step 2: Convert to fraction form
    161,605.04/242,453.64 = 55,012.40/x
  3. Step 3: Cross multiply
    161,605.04x = 242,453.64 × 55,012.40
  4. Step 4: Simplify right side
    161,605.04x = 13,337,956,625.14
  5. Step 5: Solve for x
    x = 13,337,956,625.14/161,605.04
  6. Step 6: Final answer
    x = 82,534.29

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1.5x scale

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.