Home / 141,146.72-194,782.67-76,615.92

Finding the Fourth Proportional to 141,146.72, 194,782.67 and 76,615.92

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Solution

The fourth proportional to 141,146.72, 194,782.67 and 76,615.92 is: 105,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,146.72 : 194,782.67 = 76,615.92 : x
  2. Step 2: Convert to fraction form
    141,146.72/194,782.67 = 76,615.92/x
  3. Step 3: Cross multiply
    141,146.72x = 194,782.67 × 76,615.92
  4. Step 4: Simplify right side
    141,146.72x = 14,923,453,462.11
  5. Step 5: Solve for x
    x = 14,923,453,462.11/141,146.72
  6. Step 6: Final answer
    x = 105,730.08

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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.