Home / 141,307.88-195,005.21-76,777.34

Finding the Fourth Proportional to 141,307.88, 195,005.21 and 76,777.34

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Solution

The fourth proportional to 141,307.88, 195,005.21 and 76,777.34 is: 105,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,307.88 : 195,005.21 = 76,777.34 : x
  2. Step 2: Convert to fraction form
    141,307.88/195,005.21 = 76,777.34/x
  3. Step 3: Cross multiply
    141,307.88x = 195,005.21 × 76,777.34
  4. Step 4: Simplify right side
    141,307.88x = 14,971,979,951.03
  5. Step 5: Solve for x
    x = 14,971,979,951.03/141,307.88
  6. Step 6: Final answer
    x = 105,952.91

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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.