Home / 161,712.10-242,568.15-73,008.10

Finding the Fourth Proportional to 161,712.10, 242,568.15 and 73,008.10

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Solution

The fourth proportional to 161,712.10, 242,568.15 and 73,008.10 is: 109,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,712.10 : 242,568.15 = 73,008.10 : x
  2. Step 2: Convert to fraction form
    161,712.10/242,568.15 = 73,008.10/x
  3. Step 3: Cross multiply
    161,712.10x = 242,568.15 × 73,008.10
  4. Step 4: Simplify right side
    161,712.10x = 17,709,439,752.02
  5. Step 5: Solve for x
    x = 17,709,439,752.02/161,712.10
  6. Step 6: Final answer
    x = 109,512.15

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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.