Home / 140,666.91-194,120.32-76,136.14

Finding the Fourth Proportional to 140,666.91, 194,120.32 and 76,136.14

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Solution

The fourth proportional to 140,666.91, 194,120.32 and 76,136.14 is: 105,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.91 : 194,120.32 = 76,136.14 : x
  2. Step 2: Convert to fraction form
    140,666.91/194,120.32 = 76,136.14/x
  3. Step 3: Cross multiply
    140,666.91x = 194,120.32 × 76,136.14
  4. Step 4: Simplify right side
    140,666.91x = 14,779,570,509.08
  5. Step 5: Solve for x
    x = 14,779,570,509.08/140,666.91
  6. Step 6: Final answer
    x = 105,067.86

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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.