Home / 435,660.12-652,925.21-195,596.78

Finding the Fourth Proportional to 435,660.12, 652,925.21 and 195,596.78

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Solution

The fourth proportional to 435,660.12, 652,925.21 and 195,596.78 is: 293,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,660.12 : 652,925.21 = 195,596.78 : x
  2. Step 2: Convert to fraction form
    435,660.12/652,925.21 = 195,596.78/x
  3. Step 3: Cross multiply
    435,660.12x = 652,925.21 × 195,596.78
  4. Step 4: Simplify right side
    435,660.12x = 127,710,064,414.21
  5. Step 5: Solve for x
    x = 127,710,064,414.21/435,660.12
  6. Step 6: Final answer
    x = 293,141.51

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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.