Home / 140,800.13-194,304.18-84,211.50

Finding the Fourth Proportional to 140,800.13, 194,304.18 and 84,211.50

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Solution

The fourth proportional to 140,800.13, 194,304.18 and 84,211.50 is: 116,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,800.13 : 194,304.18 = 84,211.50 : x
  2. Step 2: Convert to fraction form
    140,800.13/194,304.18 = 84,211.50/x
  3. Step 3: Cross multiply
    140,800.13x = 194,304.18 × 84,211.50
  4. Step 4: Simplify right side
    140,800.13x = 16,362,646,454.07
  5. Step 5: Solve for x
    x = 16,362,646,454.07/140,800.13
  6. Step 6: Final answer
    x = 116,211.87

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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.