Home / 157,543.46-217,334.94-106,574.04

Finding the Fourth Proportional to 157,543.46, 217,334.94 and 106,574.04

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Solution

The fourth proportional to 157,543.46, 217,334.94 and 106,574.04 is: 147,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,543.46 : 217,334.94 = 106,574.04 : x
  2. Step 2: Convert to fraction form
    157,543.46/217,334.94 = 106,574.04/x
  3. Step 3: Cross multiply
    157,543.46x = 217,334.94 × 106,574.04
  4. Step 4: Simplify right side
    157,543.46x = 23,162,262,588.96
  5. Step 5: Solve for x
    x = 23,162,262,588.96/157,543.46
  6. Step 6: Final answer
    x = 147,021.42

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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.