Home / 140,185.92-193,460.88-76,527.84

Finding the Fourth Proportional to 140,185.92, 193,460.88 and 76,527.84

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Solution

The fourth proportional to 140,185.92, 193,460.88 and 76,527.84 is: 105,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,185.92 : 193,460.88 = 76,527.84 : x
  2. Step 2: Convert to fraction form
    140,185.92/193,460.88 = 76,527.84/x
  3. Step 3: Cross multiply
    140,185.92x = 193,460.88 × 76,527.84
  4. Step 4: Simplify right side
    140,185.92x = 14,805,143,270.90
  5. Step 5: Solve for x
    x = 14,805,143,270.90/140,185.92
  6. Step 6: Final answer
    x = 105,610.77

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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.