Home / 161,776.81-242,499.97-56,509.21

Finding the Fourth Proportional to 161,776.81, 242,499.97 and 56,509.21

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Solution

The fourth proportional to 161,776.81, 242,499.97 and 56,509.21 is: 84,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,776.81 : 242,499.97 = 56,509.21 : x
  2. Step 2: Convert to fraction form
    161,776.81/242,499.97 = 56,509.21/x
  3. Step 3: Cross multiply
    161,776.81x = 242,499.97 × 56,509.21
  4. Step 4: Simplify right side
    161,776.81x = 13,703,481,729.72
  5. Step 5: Solve for x
    x = 13,703,481,729.72/161,776.81
  6. Step 6: Final answer
    x = 84,706.09

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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.