Home / 129,415.61-194,085.11-58,297.14

Finding the Fourth Proportional to 129,415.61, 194,085.11 and 58,297.14

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Solution

The fourth proportional to 129,415.61, 194,085.11 and 58,297.14 is: 87,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,415.61 : 194,085.11 = 58,297.14 : x
  2. Step 2: Convert to fraction form
    129,415.61/194,085.11 = 58,297.14/x
  3. Step 3: Cross multiply
    129,415.61x = 194,085.11 × 58,297.14
  4. Step 4: Simplify right side
    129,415.61x = 11,314,606,975.33
  5. Step 5: Solve for x
    x = 11,314,606,975.33/129,415.61
  6. Step 6: Final answer
    x = 87,428.45

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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.