Home / 140,183.84-193,457.36-76,527.52

Finding the Fourth Proportional to 140,183.84, 193,457.36 and 76,527.52

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Solution

The fourth proportional to 140,183.84, 193,457.36 and 76,527.52 is: 105,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.84 : 193,457.36 = 76,527.52 : x
  2. Step 2: Convert to fraction form
    140,183.84/193,457.36 = 76,527.52/x
  3. Step 3: Cross multiply
    140,183.84x = 193,457.36 × 76,527.52
  4. Step 4: Simplify right side
    140,183.84x = 14,804,811,986.55
  5. Step 5: Solve for x
    x = 14,804,811,986.55/140,183.84
  6. Step 6: Final answer
    x = 105,609.98

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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.