Home / 135,646.43-187,153.88-106,876.89

Finding the Fourth Proportional to 135,646.43, 187,153.88 and 106,876.89

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Solution

The fourth proportional to 135,646.43, 187,153.88 and 106,876.89 is: 147,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,646.43 : 187,153.88 = 106,876.89 : x
  2. Step 2: Convert to fraction form
    135,646.43/187,153.88 = 106,876.89/x
  3. Step 3: Cross multiply
    135,646.43x = 187,153.88 × 106,876.89
  4. Step 4: Simplify right side
    135,646.43x = 20,002,424,111.45
  5. Step 5: Solve for x
    x = 20,002,424,111.45/135,646.43
  6. Step 6: Final answer
    x = 147,460.02

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1.5x scale

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.