Home / 228,569.46-315,581.72-142,562.04

Finding the Fourth Proportional to 228,569.46, 315,581.72 and 142,562.04

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Solution

The fourth proportional to 228,569.46, 315,581.72 and 142,562.04 is: 196,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,569.46 : 315,581.72 = 142,562.04 : x
  2. Step 2: Convert to fraction form
    228,569.46/315,581.72 = 142,562.04/x
  3. Step 3: Cross multiply
    228,569.46x = 315,581.72 × 142,562.04
  4. Step 4: Simplify right side
    228,569.46x = 44,989,973,077.10
  5. Step 5: Solve for x
    x = 44,989,973,077.10/228,569.46
  6. Step 6: Final answer
    x = 196,832.83

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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.