Home / 146,710.49-219,933.70-53,150.63

Finding the Fourth Proportional to 146,710.49, 219,933.70 and 53,150.63

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Solution

The fourth proportional to 146,710.49, 219,933.70 and 53,150.63 is: 79,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.49 : 219,933.70 = 53,150.63 : x
  2. Step 2: Convert to fraction form
    146,710.49/219,933.70 = 53,150.63/x
  3. Step 3: Cross multiply
    146,710.49x = 219,933.70 × 53,150.63
  4. Step 4: Simplify right side
    146,710.49x = 11,689,613,480.69
  5. Step 5: Solve for x
    x = 11,689,613,480.69/146,710.49
  6. Step 6: Final answer
    x = 79,678.11

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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.