Home / 154,455.36-231,702.12-54,594.96

Finding the Fourth Proportional to 154,455.36, 231,702.12 and 54,594.96

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Solution

The fourth proportional to 154,455.36, 231,702.12 and 54,594.96 is: 81,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,455.36 : 231,702.12 = 54,594.96 : x
  2. Step 2: Convert to fraction form
    154,455.36/231,702.12 = 54,594.96/x
  3. Step 3: Cross multiply
    154,455.36x = 231,702.12 × 54,594.96
  4. Step 4: Simplify right side
    154,455.36x = 12,649,767,973.32
  5. Step 5: Solve for x
    x = 12,649,767,973.32/154,455.36
  6. Step 6: Final answer
    x = 81,899.18

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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.