Home / 154,416.90-231,625.35-54,580.35

Finding the Fourth Proportional to 154,416.90, 231,625.35 and 54,580.35

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Solution

The fourth proportional to 154,416.90, 231,625.35 and 54,580.35 is: 81,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.90 : 231,625.35 = 54,580.35 : x
  2. Step 2: Convert to fraction form
    154,416.90/231,625.35 = 54,580.35/x
  3. Step 3: Cross multiply
    154,416.90x = 231,625.35 × 54,580.35
  4. Step 4: Simplify right side
    154,416.90x = 12,642,192,671.87
  5. Step 5: Solve for x
    x = 12,642,192,671.87/154,416.90
  6. Step 6: Final answer
    x = 81,870.53

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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.