Home / 219,836.80-303,376.08-124,337.80

Finding the Fourth Proportional to 219,836.80, 303,376.08 and 124,337.80

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Solution

The fourth proportional to 219,836.80, 303,376.08 and 124,337.80 is: 171,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,836.80 : 303,376.08 = 124,337.80 : x
  2. Step 2: Convert to fraction form
    219,836.80/303,376.08 = 124,337.80/x
  3. Step 3: Cross multiply
    219,836.80x = 303,376.08 × 124,337.80
  4. Step 4: Simplify right side
    219,836.80x = 37,721,114,359.82
  5. Step 5: Solve for x
    x = 37,721,114,359.82/219,836.80
  6. Step 6: Final answer
    x = 171,586.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.