Home / 482,116.86-723,116.97-127,157.65

Finding the Fourth Proportional to 482,116.86, 723,116.97 and 127,157.65

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Solution

The fourth proportional to 482,116.86, 723,116.97 and 127,157.65 is: 190,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,116.86 : 723,116.97 = 127,157.65 : x
  2. Step 2: Convert to fraction form
    482,116.86/723,116.97 = 127,157.65/x
  3. Step 3: Cross multiply
    482,116.86x = 723,116.97 × 127,157.65
  4. Step 4: Simplify right side
    482,116.86x = 91,949,852,772.53
  5. Step 5: Solve for x
    x = 91,949,852,772.53/482,116.86
  6. Step 6: Final answer
    x = 190,721.09

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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.