Home / 110,123.88-151,981.67-61,734.03

Finding the Fourth Proportional to 110,123.88, 151,981.67 and 61,734.03

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Solution

The fourth proportional to 110,123.88, 151,981.67 and 61,734.03 is: 85,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,123.88 : 151,981.67 = 61,734.03 : x
  2. Step 2: Convert to fraction form
    110,123.88/151,981.67 = 61,734.03/x
  3. Step 3: Cross multiply
    110,123.88x = 151,981.67 × 61,734.03
  4. Step 4: Simplify right side
    110,123.88x = 9,382,440,666.56
  5. Step 5: Solve for x
    x = 9,382,440,666.56/110,123.88
  6. Step 6: Final answer
    x = 85,198.97

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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.