Home / 145,954.14-218,939.88-40,773.12

Finding the Fourth Proportional to 145,954.14, 218,939.88 and 40,773.12

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Solution

The fourth proportional to 145,954.14, 218,939.88 and 40,773.12 is: 61,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,954.14 : 218,939.88 = 40,773.12 : x
  2. Step 2: Convert to fraction form
    145,954.14/218,939.88 = 40,773.12/x
  3. Step 3: Cross multiply
    145,954.14x = 218,939.88 × 40,773.12
  4. Step 4: Simplify right side
    145,954.14x = 8,926,862,000.03
  5. Step 5: Solve for x
    x = 8,926,862,000.03/145,954.14
  6. Step 6: Final answer
    x = 61,162.10

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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.