Home / 135,512.96-203,280.78-46,767.20

Finding the Fourth Proportional to 135,512.96, 203,280.78 and 46,767.20

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Solution

The fourth proportional to 135,512.96, 203,280.78 and 46,767.20 is: 70,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,512.96 : 203,280.78 = 46,767.20 : x
  2. Step 2: Convert to fraction form
    135,512.96/203,280.78 = 46,767.20/x
  3. Step 3: Cross multiply
    135,512.96x = 203,280.78 × 46,767.20
  4. Step 4: Simplify right side
    135,512.96x = 9,506,872,894.42
  5. Step 5: Solve for x
    x = 9,506,872,894.42/135,512.96
  6. Step 6: Final answer
    x = 70,154.71

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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.