Home / 140,623.53-194,058.88-76,960.56

Finding the Fourth Proportional to 140,623.53, 194,058.88 and 76,960.56

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Solution

The fourth proportional to 140,623.53, 194,058.88 and 76,960.56 is: 106,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.53 : 194,058.88 = 76,960.56 : x
  2. Step 2: Convert to fraction form
    140,623.53/194,058.88 = 76,960.56/x
  3. Step 3: Cross multiply
    140,623.53x = 194,058.88 × 76,960.56
  4. Step 4: Simplify right side
    140,623.53x = 14,934,880,077.77
  5. Step 5: Solve for x
    x = 14,934,880,077.77/140,623.53
  6. Step 6: Final answer
    x = 106,204.70

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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.