Home / 161,393.12-242,089.70-43,064.90

Finding the Fourth Proportional to 161,393.12, 242,089.70 and 43,064.90

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Solution

The fourth proportional to 161,393.12, 242,089.70 and 43,064.90 is: 64,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,393.12 : 242,089.70 = 43,064.90 : x
  2. Step 2: Convert to fraction form
    161,393.12/242,089.70 = 43,064.90/x
  3. Step 3: Cross multiply
    161,393.12x = 242,089.70 × 43,064.90
  4. Step 4: Simplify right side
    161,393.12x = 10,425,568,721.53
  5. Step 5: Solve for x
    x = 10,425,568,721.53/161,393.12
  6. Step 6: Final answer
    x = 64,597.36

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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.