Home / 141,937.46-212,790.72-53,141.22

Finding the Fourth Proportional to 141,937.46, 212,790.72 and 53,141.22

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Solution

The fourth proportional to 141,937.46, 212,790.72 and 53,141.22 is: 79,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937.46 : 212,790.72 = 53,141.22 : x
  2. Step 2: Convert to fraction form
    141,937.46/212,790.72 = 53,141.22/x
  3. Step 3: Cross multiply
    141,937.46x = 212,790.72 × 53,141.22
  4. Step 4: Simplify right side
    141,937.46x = 11,307,958,465.48
  5. Step 5: Solve for x
    x = 11,307,958,465.48/141,937.46
  6. Step 6: Final answer
    x = 79,668.60

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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.