Home / 105,438.24-158,157.21-34,360.76

Finding the Fourth Proportional to 105,438.24, 158,157.21 and 34,360.76

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Solution

The fourth proportional to 105,438.24, 158,157.21 and 34,360.76 is: 51,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,438.24 : 158,157.21 = 34,360.76 : x
  2. Step 2: Convert to fraction form
    105,438.24/158,157.21 = 34,360.76/x
  3. Step 3: Cross multiply
    105,438.24x = 158,157.21 × 34,360.76
  4. Step 4: Simplify right side
    105,438.24x = 5,434,401,935.08
  5. Step 5: Solve for x
    x = 5,434,401,935.08/105,438.24
  6. Step 6: Final answer
    x = 51,541.09

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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.