Home / 250,382.72-375,416.00-138,141.16

Finding the Fourth Proportional to 250,382.72, 375,416.00 and 138,141.16

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Solution

The fourth proportional to 250,382.72, 375,416.00 and 138,141.16 is: 207,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,382.72 : 375,416.00 = 138,141.16 : x
  2. Step 2: Convert to fraction form
    250,382.72/375,416.00 = 138,141.16/x
  3. Step 3: Cross multiply
    250,382.72x = 375,416.00 × 138,141.16
  4. Step 4: Simplify right side
    250,382.72x = 51,860,400,611.34
  5. Step 5: Solve for x
    x = 51,860,400,611.34/250,382.72
  6. Step 6: Final answer
    x = 207,124.52

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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.