Home / 161,742.39-242,636.27-56,537.43

Finding the Fourth Proportional to 161,742.39, 242,636.27 and 56,537.43

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Solution

The fourth proportional to 161,742.39, 242,636.27 and 56,537.43 is: 84,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.39 : 242,636.27 = 56,537.43 : x
  2. Step 2: Convert to fraction form
    161,742.39/242,636.27 = 56,537.43/x
  3. Step 3: Cross multiply
    161,742.39x = 242,636.27 × 56,537.43
  4. Step 4: Simplify right side
    161,742.39x = 13,718,030,847.90
  5. Step 5: Solve for x
    x = 13,718,030,847.90/161,742.39
  6. Step 6: Final answer
    x = 84,814.07

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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.