Home / 141,631.41-212,578.34-71,559.93

Finding the Fourth Proportional to 141,631.41, 212,578.34 and 71,559.93

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Solution

The fourth proportional to 141,631.41, 212,578.34 and 71,559.93 is: 107,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,631.41 : 212,578.34 = 71,559.93 : x
  2. Step 2: Convert to fraction form
    141,631.41/212,578.34 = 71,559.93/x
  3. Step 3: Cross multiply
    141,631.41x = 212,578.34 × 71,559.93
  4. Step 4: Simplify right side
    141,631.41x = 15,212,090,772.12
  5. Step 5: Solve for x
    x = 15,212,090,772.12/141,631.41
  6. Step 6: Final answer
    x = 107,406.19

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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.