Home / 141,143.14-194,776.70-76,613.66

Finding the Fourth Proportional to 141,143.14, 194,776.70 and 76,613.66

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Solution

The fourth proportional to 141,143.14, 194,776.70 and 76,613.66 is: 105,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,143.14 : 194,776.70 = 76,613.66 : x
  2. Step 2: Convert to fraction form
    141,143.14/194,776.70 = 76,613.66/x
  3. Step 3: Cross multiply
    141,143.14x = 194,776.70 × 76,613.66
  4. Step 4: Simplify right side
    141,143.14x = 14,922,555,869.72
  5. Step 5: Solve for x
    x = 14,922,555,869.72/141,143.14
  6. Step 6: Final answer
    x = 105,726.40

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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.