Home / 144,681.40-217,022.10-51,196.60

Finding the Fourth Proportional to 144,681.40, 217,022.10 and 51,196.60

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Solution

The fourth proportional to 144,681.40, 217,022.10 and 51,196.60 is: 76,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,681.40 : 217,022.10 = 51,196.60 : x
  2. Step 2: Convert to fraction form
    144,681.40/217,022.10 = 51,196.60/x
  3. Step 3: Cross multiply
    144,681.40x = 217,022.10 × 51,196.60
  4. Step 4: Simplify right side
    144,681.40x = 11,110,793,644.86
  5. Step 5: Solve for x
    x = 11,110,793,644.86/144,681.40
  6. Step 6: Final answer
    x = 76,794.90

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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.