Home / 144,788.80-217,125.60-51,246.40

Finding the Fourth Proportional to 144,788.80, 217,125.60 and 51,246.40

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Solution

The fourth proportional to 144,788.80, 217,125.60 and 51,246.40 is: 76,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,788.80 : 217,125.60 = 51,246.40 : x
  2. Step 2: Convert to fraction form
    144,788.80/217,125.60 = 51,246.40/x
  3. Step 3: Cross multiply
    144,788.80x = 217,125.60 × 51,246.40
  4. Step 4: Simplify right side
    144,788.80x = 11,126,905,347.84
  5. Step 5: Solve for x
    x = 11,126,905,347.84/144,788.80
  6. Step 6: Final answer
    x = 76,849.21

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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.