Home / 154,492.62-231,836.40-65,746.05

Finding the Fourth Proportional to 154,492.62, 231,836.40 and 65,746.05

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Solution

The fourth proportional to 154,492.62, 231,836.40 and 65,746.05 is: 98,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.62 : 231,836.40 = 65,746.05 : x
  2. Step 2: Convert to fraction form
    154,492.62/231,836.40 = 65,746.05/x
  3. Step 3: Cross multiply
    154,492.62x = 231,836.40 × 65,746.05
  4. Step 4: Simplify right side
    154,492.62x = 15,242,327,546.22
  5. Step 5: Solve for x
    x = 15,242,327,546.22/154,492.62
  6. Step 6: Final answer
    x = 98,660.55

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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.