Home / 153,869.91-230,905.77-54,027.53

Finding the Fourth Proportional to 153,869.91, 230,905.77 and 54,027.53

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Solution

The fourth proportional to 153,869.91, 230,905.77 and 54,027.53 is: 81,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,869.91 : 230,905.77 = 54,027.53 : x
  2. Step 2: Convert to fraction form
    153,869.91/230,905.77 = 54,027.53/x
  3. Step 3: Cross multiply
    153,869.91x = 230,905.77 × 54,027.53
  4. Step 4: Simplify right side
    153,869.91x = 12,475,267,261.32
  5. Step 5: Solve for x
    x = 12,475,267,261.32/153,869.91
  6. Step 6: Final answer
    x = 81,076.72

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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.