Home / 161,938.35-242,899.83-56,749.32

Finding the Fourth Proportional to 161,938.35, 242,899.83 and 56,749.32

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Solution

The fourth proportional to 161,938.35, 242,899.83 and 56,749.32 is: 85,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.35 : 242,899.83 = 56,749.32 : x
  2. Step 2: Convert to fraction form
    161,938.35/242,899.83 = 56,749.32/x
  3. Step 3: Cross multiply
    161,938.35x = 242,899.83 × 56,749.32
  4. Step 4: Simplify right side
    161,938.35x = 13,784,400,180.62
  5. Step 5: Solve for x
    x = 13,784,400,180.62/161,938.35
  6. Step 6: Final answer
    x = 85,121.28

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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.