Home / 104,299.29-156,287.88-70,432.56

Finding the Fourth Proportional to 104,299.29, 156,287.88 and 70,432.56

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Solution

The fourth proportional to 104,299.29, 156,287.88 and 70,432.56 is: 105,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,299.29 : 156,287.88 = 70,432.56 : x
  2. Step 2: Convert to fraction form
    104,299.29/156,287.88 = 70,432.56/x
  3. Step 3: Cross multiply
    104,299.29x = 156,287.88 × 70,432.56
  4. Step 4: Simplify right side
    104,299.29x = 11,007,755,485.37
  5. Step 5: Solve for x
    x = 11,007,755,485.37/104,299.29
  6. Step 6: Final answer
    x = 105,540.08

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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.