Home / 197,700.76-296,588.40-79,381.36

Finding the Fourth Proportional to 197,700.76, 296,588.40 and 79,381.36

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Solution

The fourth proportional to 197,700.76, 296,588.40 and 79,381.36 is: 119,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,700.76 : 296,588.40 = 79,381.36 : x
  2. Step 2: Convert to fraction form
    197,700.76/296,588.40 = 79,381.36/x
  3. Step 3: Cross multiply
    197,700.76x = 296,588.40 × 79,381.36
  4. Step 4: Simplify right side
    197,700.76x = 23,543,590,552.22
  5. Step 5: Solve for x
    x = 23,543,590,552.22/197,700.76
  6. Step 6: Final answer
    x = 119,087.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.