Home / 146,832.50-202,611.66-86,389.85

Finding the Fourth Proportional to 146,832.50, 202,611.66 and 86,389.85

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Solution

The fourth proportional to 146,832.50, 202,611.66 and 86,389.85 is: 119,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,832.50 : 202,611.66 = 86,389.85 : x
  2. Step 2: Convert to fraction form
    146,832.50/202,611.66 = 86,389.85/x
  3. Step 3: Cross multiply
    146,832.50x = 202,611.66 × 86,389.85
  4. Step 4: Simplify right side
    146,832.50x = 17,503,590,915.65
  5. Step 5: Solve for x
    x = 17,503,590,915.65/146,832.50
  6. Step 6: Final answer
    x = 119,207.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.