Home / 487,140.27-730,783.31-150,152.91

Finding the Fourth Proportional to 487,140.27, 730,783.31 and 150,152.91

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Solution

The fourth proportional to 487,140.27, 730,783.31 and 150,152.91 is: 225,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,140.27 : 730,783.31 = 150,152.91 : x
  2. Step 2: Convert to fraction form
    487,140.27/730,783.31 = 150,152.91/x
  3. Step 3: Cross multiply
    487,140.27x = 730,783.31 × 150,152.91
  4. Step 4: Simplify right side
    487,140.27x = 109,729,239,825.17
  5. Step 5: Solve for x
    x = 109,729,239,825.17/487,140.27
  6. Step 6: Final answer
    x = 225,251.84

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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.