Home / 153,787.15-230,714.16-47,171.53

Finding the Fourth Proportional to 153,787.15, 230,714.16 and 47,171.53

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Solution

The fourth proportional to 153,787.15, 230,714.16 and 47,171.53 is: 70,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,787.15 : 230,714.16 = 47,171.53 : x
  2. Step 2: Convert to fraction form
    153,787.15/230,714.16 = 47,171.53/x
  3. Step 3: Cross multiply
    153,787.15x = 230,714.16 × 47,171.53
  4. Step 4: Simplify right side
    153,787.15x = 10,883,139,919.86
  5. Step 5: Solve for x
    x = 10,883,139,919.86/153,787.15
  6. Step 6: Final answer
    x = 70,767.55

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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.