Home / 153,787.53-230,714.73-47,171.91

Finding the Fourth Proportional to 153,787.53, 230,714.73 and 47,171.91

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Solution

The fourth proportional to 153,787.53, 230,714.73 and 47,171.91 is: 70,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,787.53 : 230,714.73 = 47,171.91 : x
  2. Step 2: Convert to fraction form
    153,787.53/230,714.73 = 47,171.91/x
  3. Step 3: Cross multiply
    153,787.53x = 230,714.73 × 47,171.91
  4. Step 4: Simplify right side
    153,787.53x = 10,883,253,089.80
  5. Step 5: Solve for x
    x = 10,883,253,089.80/153,787.53
  6. Step 6: Final answer
    x = 70,768.11

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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.