Home / 195,715.80-293,573.70-102,209.40

Finding the Fourth Proportional to 195,715.80, 293,573.70 and 102,209.40

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Solution

The fourth proportional to 195,715.80, 293,573.70 and 102,209.40 is: 153,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,715.80 : 293,573.70 = 102,209.40 : x
  2. Step 2: Convert to fraction form
    195,715.80/293,573.70 = 102,209.40/x
  3. Step 3: Cross multiply
    195,715.80x = 293,573.70 × 102,209.40
  4. Step 4: Simplify right side
    195,715.80x = 30,005,991,732.78
  5. Step 5: Solve for x
    x = 30,005,991,732.78/195,715.80
  6. Step 6: Final answer
    x = 153,314.10

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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.