Home / 173,903.11-260,943.63-82,821.63

Finding the Fourth Proportional to 173,903.11, 260,943.63 and 82,821.63

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Solution

The fourth proportional to 173,903.11, 260,943.63 and 82,821.63 is: 124,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,903.11 : 260,943.63 = 82,821.63 : x
  2. Step 2: Convert to fraction form
    173,903.11/260,943.63 = 82,821.63/x
  3. Step 3: Cross multiply
    173,903.11x = 260,943.63 × 82,821.63
  4. Step 4: Simplify right side
    173,903.11x = 21,611,776,774.72
  5. Step 5: Solve for x
    x = 21,611,776,774.72/173,903.11
  6. Step 6: Final answer
    x = 124,274.81

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1.5x scale

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.