Home / 161,936.03-242,900.40-73,165.70

Finding the Fourth Proportional to 161,936.03, 242,900.40 and 73,165.70

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Solution

The fourth proportional to 161,936.03, 242,900.40 and 73,165.70 is: 109,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.03 : 242,900.40 = 73,165.70 : x
  2. Step 2: Convert to fraction form
    161,936.03/242,900.40 = 73,165.70/x
  3. Step 3: Cross multiply
    161,936.03x = 242,900.40 × 73,165.70
  4. Step 4: Simplify right side
    161,936.03x = 17,771,977,796.28
  5. Step 5: Solve for x
    x = 17,771,977,796.28/161,936.03
  6. Step 6: Final answer
    x = 109,746.90

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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.