Home / 144,932.70-217,420.65-51,430.62

Finding the Fourth Proportional to 144,932.70, 217,420.65 and 51,430.62

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Solution

The fourth proportional to 144,932.70, 217,420.65 and 51,430.62 is: 77,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,932.70 : 217,420.65 = 51,430.62 : x
  2. Step 2: Convert to fraction form
    144,932.70/217,420.65 = 51,430.62/x
  3. Step 3: Cross multiply
    144,932.70x = 217,420.65 × 51,430.62
  4. Step 4: Simplify right side
    144,932.70x = 11,182,078,830.30
  5. Step 5: Solve for x
    x = 11,182,078,830.30/144,932.70
  6. Step 6: Final answer
    x = 77,153.59

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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.