Home / 129,417.50-194,027.43-40,619.63

Finding the Fourth Proportional to 129,417.50, 194,027.43 and 40,619.63

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Solution

The fourth proportional to 129,417.50, 194,027.43 and 40,619.63 is: 60,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,417.50 : 194,027.43 = 40,619.63 : x
  2. Step 2: Convert to fraction form
    129,417.50/194,027.43 = 40,619.63/x
  3. Step 3: Cross multiply
    129,417.50x = 194,027.43 × 40,619.63
  4. Step 4: Simplify right side
    129,417.50x = 7,881,323,053.84
  5. Step 5: Solve for x
    x = 7,881,323,053.84/129,417.50
  6. Step 6: Final answer
    x = 60,898.43

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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.