Home / 140,956.41-194,528.70-77,294.21

Finding the Fourth Proportional to 140,956.41, 194,528.70 and 77,294.21

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Solution

The fourth proportional to 140,956.41, 194,528.70 and 77,294.21 is: 106,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.41 : 194,528.70 = 77,294.21 : x
  2. Step 2: Convert to fraction form
    140,956.41/194,528.70 = 77,294.21/x
  3. Step 3: Cross multiply
    140,956.41x = 194,528.70 × 77,294.21
  4. Step 4: Simplify right side
    140,956.41x = 15,035,941,216.18
  5. Step 5: Solve for x
    x = 15,035,941,216.18/140,956.41
  6. Step 6: Final answer
    x = 106,670.86

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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.