Home / 171,941.94-257,869.17-66,703.50

Finding the Fourth Proportional to 171,941.94, 257,869.17 and 66,703.50

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Solution

The fourth proportional to 171,941.94, 257,869.17 and 66,703.50 is: 100,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.94 : 257,869.17 = 66,703.50 : x
  2. Step 2: Convert to fraction form
    171,941.94/257,869.17 = 66,703.50/x
  3. Step 3: Cross multiply
    171,941.94x = 257,869.17 × 66,703.50
  4. Step 4: Simplify right side
    171,941.94x = 17,200,776,181.10
  5. Step 5: Solve for x
    x = 17,200,776,181.10/171,941.94
  6. Step 6: Final answer
    x = 100,038.28

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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.