Home / 161,702.16-242,586.84-68,208.72

Finding the Fourth Proportional to 161,702.16, 242,586.84 and 68,208.72

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Solution

The fourth proportional to 161,702.16, 242,586.84 and 68,208.72 is: 102,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.16 : 242,586.84 = 68,208.72 : x
  2. Step 2: Convert to fraction form
    161,702.16/242,586.84 = 68,208.72/x
  3. Step 3: Cross multiply
    161,702.16x = 242,586.84 × 68,208.72
  4. Step 4: Simplify right side
    161,702.16x = 16,546,537,845.24
  5. Step 5: Solve for x
    x = 16,546,537,845.24/161,702.16
  6. Step 6: Final answer
    x = 102,327.25

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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.