Home / 487,051.38-730,654.83-150,010.38

Finding the Fourth Proportional to 487,051.38, 730,654.83 and 150,010.38

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Solution

The fourth proportional to 487,051.38, 730,654.83 and 150,010.38 is: 225,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,051.38 : 730,654.83 = 150,010.38 : x
  2. Step 2: Convert to fraction form
    487,051.38/730,654.83 = 150,010.38/x
  3. Step 3: Cross multiply
    487,051.38x = 730,654.83 × 150,010.38
  4. Step 4: Simplify right side
    487,051.38x = 109,605,808,697.14
  5. Step 5: Solve for x
    x = 109,605,808,697.14/487,051.38
  6. Step 6: Final answer
    x = 225,039.52

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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.