Home / 154,294.08-231,459.36-54,433.44

Finding the Fourth Proportional to 154,294.08, 231,459.36 and 54,433.44

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Solution

The fourth proportional to 154,294.08, 231,459.36 and 54,433.44 is: 81,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,294.08 : 231,459.36 = 54,433.44 : x
  2. Step 2: Convert to fraction form
    154,294.08/231,459.36 = 54,433.44/x
  3. Step 3: Cross multiply
    154,294.08x = 231,459.36 × 54,433.44
  4. Step 4: Simplify right side
    154,294.08x = 12,599,129,185.00
  5. Step 5: Solve for x
    x = 12,599,129,185.00/154,294.08
  6. Step 6: Final answer
    x = 81,656.59

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1.5x scale

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.