Home / 161,731.10-242,596.65-144,623.90

Finding the Fourth Proportional to 161,731.10, 242,596.65 and 144,623.90

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Solution

The fourth proportional to 161,731.10, 242,596.65 and 144,623.90 is: 216,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.10 : 242,596.65 = 144,623.90 : x
  2. Step 2: Convert to fraction form
    161,731.10/242,596.65 = 144,623.90/x
  3. Step 3: Cross multiply
    161,731.10x = 242,596.65 × 144,623.90
  4. Step 4: Simplify right side
    161,731.10x = 35,085,273,649.94
  5. Step 5: Solve for x
    x = 35,085,273,649.94/161,731.10
  6. Step 6: Final answer
    x = 216,935.85

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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.