Home / 161,750.90-242,633.55-55,133.30

Finding the Fourth Proportional to 161,750.90, 242,633.55 and 55,133.30

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Solution

The fourth proportional to 161,750.90, 242,633.55 and 55,133.30 is: 82,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,750.90 : 242,633.55 = 55,133.30 : x
  2. Step 2: Convert to fraction form
    161,750.90/242,633.55 = 55,133.30/x
  3. Step 3: Cross multiply
    161,750.90x = 242,633.55 × 55,133.30
  4. Step 4: Simplify right side
    161,750.90x = 13,377,188,302.22
  5. Step 5: Solve for x
    x = 13,377,188,302.22/161,750.90
  6. Step 6: Final answer
    x = 82,702.40

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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.