Home / 195,688.28-293,645.30-105,731.24

Finding the Fourth Proportional to 195,688.28, 293,645.30 and 105,731.24

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Solution

The fourth proportional to 195,688.28, 293,645.30 and 105,731.24 is: 158,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,688.28 : 293,645.30 = 105,731.24 : x
  2. Step 2: Convert to fraction form
    195,688.28/293,645.30 = 105,731.24/x
  3. Step 3: Cross multiply
    195,688.28x = 293,645.30 × 105,731.24
  4. Step 4: Simplify right side
    195,688.28x = 31,047,479,692.29
  5. Step 5: Solve for x
    x = 31,047,479,692.29/195,688.28
  6. Step 6: Final answer
    x = 158,657.84

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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.