Home / 140,334.12-193,674.24-76,681.35

Finding the Fourth Proportional to 140,334.12, 193,674.24 and 76,681.35

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Solution

The fourth proportional to 140,334.12, 193,674.24 and 76,681.35 is: 105,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.12 : 193,674.24 = 76,681.35 : x
  2. Step 2: Convert to fraction form
    140,334.12/193,674.24 = 76,681.35/x
  3. Step 3: Cross multiply
    140,334.12x = 193,674.24 × 76,681.35
  4. Step 4: Simplify right side
    140,334.12x = 14,851,202,183.42
  5. Step 5: Solve for x
    x = 14,851,202,183.42/140,334.12
  6. Step 6: Final answer
    x = 105,827.45

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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.