Home / 140,674.03-194,130.18-77,011.84

Finding the Fourth Proportional to 140,674.03, 194,130.18 and 77,011.84

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Solution

The fourth proportional to 140,674.03, 194,130.18 and 77,011.84 is: 106,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,674.03 : 194,130.18 = 77,011.84 : x
  2. Step 2: Convert to fraction form
    140,674.03/194,130.18 = 77,011.84/x
  3. Step 3: Cross multiply
    140,674.03x = 194,130.18 × 77,011.84
  4. Step 4: Simplify right side
    140,674.03x = 14,950,322,361.33
  5. Step 5: Solve for x
    x = 14,950,322,361.33/140,674.03
  6. Step 6: Final answer
    x = 106,276.35

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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.