Home / 141,173.08-194,818.97-76,642.27

Finding the Fourth Proportional to 141,173.08, 194,818.97 and 76,642.27

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Solution

The fourth proportional to 141,173.08, 194,818.97 and 76,642.27 is: 105,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173.08 : 194,818.97 = 76,642.27 : x
  2. Step 2: Convert to fraction form
    141,173.08/194,818.97 = 76,642.27/x
  3. Step 3: Cross multiply
    141,173.08x = 194,818.97 × 76,642.27
  4. Step 4: Simplify right side
    141,173.08x = 14,931,367,804.42
  5. Step 5: Solve for x
    x = 14,931,367,804.42/141,173.08
  6. Step 6: Final answer
    x = 105,766.40

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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.