Home / 159,039.72-238,554.12-40,712.10

Finding the Fourth Proportional to 159,039.72, 238,554.12 and 40,712.10

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Solution

The fourth proportional to 159,039.72, 238,554.12 and 40,712.10 is: 61,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,039.72 : 238,554.12 = 40,712.10 : x
  2. Step 2: Convert to fraction form
    159,039.72/238,554.12 = 40,712.10/x
  3. Step 3: Cross multiply
    159,039.72x = 238,554.12 × 40,712.10
  4. Step 4: Simplify right side
    159,039.72x = 9,712,039,188.85
  5. Step 5: Solve for x
    x = 9,712,039,188.85/159,039.72
  6. Step 6: Final answer
    x = 61,066.75

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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.