Home / 146,331.18-201,932.91-85,900.86

Finding the Fourth Proportional to 146,331.18, 201,932.91 and 85,900.86

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Solution

The fourth proportional to 146,331.18, 201,932.91 and 85,900.86 is: 118,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,331.18 : 201,932.91 = 85,900.86 : x
  2. Step 2: Convert to fraction form
    146,331.18/201,932.91 = 85,900.86/x
  3. Step 3: Cross multiply
    146,331.18x = 201,932.91 × 85,900.86
  4. Step 4: Simplify right side
    146,331.18x = 17,346,210,706.63
  5. Step 5: Solve for x
    x = 17,346,210,706.63/146,331.18
  6. Step 6: Final answer
    x = 118,540.77

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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.