Home / 133,975.82-200,655.66-74,680.18

Finding the Fourth Proportional to 133,975.82, 200,655.66 and 74,680.18

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Solution

The fourth proportional to 133,975.82, 200,655.66 and 74,680.18 is: 111,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,975.82 : 200,655.66 = 74,680.18 : x
  2. Step 2: Convert to fraction form
    133,975.82/200,655.66 = 74,680.18/x
  3. Step 3: Cross multiply
    133,975.82x = 200,655.66 × 74,680.18
  4. Step 4: Simplify right side
    133,975.82x = 14,985,000,806.82
  5. Step 5: Solve for x
    x = 14,985,000,806.82/133,975.82
  6. Step 6: Final answer
    x = 111,848.55

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1.5x scale

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.