Home / 130,580.49-195,839.30-83,124.41

Finding the Fourth Proportional to 130,580.49, 195,839.30 and 83,124.41

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Solution

The fourth proportional to 130,580.49, 195,839.30 and 83,124.41 is: 124,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,580.49 : 195,839.30 = 83,124.41 : x
  2. Step 2: Convert to fraction form
    130,580.49/195,839.30 = 83,124.41/x
  3. Step 3: Cross multiply
    130,580.49x = 195,839.30 × 83,124.41
  4. Step 4: Simplify right side
    130,580.49x = 16,279,024,872.49
  5. Step 5: Solve for x
    x = 16,279,024,872.49/130,580.49
  6. Step 6: Final answer
    x = 124,666.59

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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.