Home / 141,469.27-212,158.88-46,681.78

Finding the Fourth Proportional to 141,469.27, 212,158.88 and 46,681.78

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Solution

The fourth proportional to 141,469.27, 212,158.88 and 46,681.78 is: 70,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469.27 : 212,158.88 = 46,681.78 : x
  2. Step 2: Convert to fraction form
    141,469.27/212,158.88 = 46,681.78/x
  3. Step 3: Cross multiply
    141,469.27x = 212,158.88 × 46,681.78
  4. Step 4: Simplify right side
    141,469.27x = 9,903,953,100.41
  5. Step 5: Solve for x
    x = 9,903,953,100.41/141,469.27
  6. Step 6: Final answer
    x = 70,007.81

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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.