Home / 140,899.65-194,443.88-76,370.94

Finding the Fourth Proportional to 140,899.65, 194,443.88 and 76,370.94

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Solution

The fourth proportional to 140,899.65, 194,443.88 and 76,370.94 is: 105,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899.65 : 194,443.88 = 76,370.94 : x
  2. Step 2: Convert to fraction form
    140,899.65/194,443.88 = 76,370.94/x
  3. Step 3: Cross multiply
    140,899.65x = 194,443.88 × 76,370.94
  4. Step 4: Simplify right side
    140,899.65x = 14,849,861,510.99
  5. Step 5: Solve for x
    x = 14,849,861,510.99/140,899.65
  6. Step 6: Final answer
    x = 105,393.18

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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.