Home / 292,193.58-438,027.21-105,073.50

Finding the Fourth Proportional to 292,193.58, 438,027.21 and 105,073.50

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Solution

The fourth proportional to 292,193.58, 438,027.21 and 105,073.50 is: 157,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,193.58 : 438,027.21 = 105,073.50 : x
  2. Step 2: Convert to fraction form
    292,193.58/438,027.21 = 105,073.50/x
  3. Step 3: Cross multiply
    292,193.58x = 438,027.21 × 105,073.50
  4. Step 4: Simplify right side
    292,193.58x = 46,025,052,049.94
  5. Step 5: Solve for x
    x = 46,025,052,049.94/292,193.58
  6. Step 6: Final answer
    x = 157,515.62

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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.