Home / 126,753.34-190,124.23-42,507.03

Finding the Fourth Proportional to 126,753.34, 190,124.23 and 42,507.03

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Solution

The fourth proportional to 126,753.34, 190,124.23 and 42,507.03 is: 63,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.34 : 190,124.23 = 42,507.03 : x
  2. Step 2: Convert to fraction form
    126,753.34/190,124.23 = 42,507.03/x
  3. Step 3: Cross multiply
    126,753.34x = 190,124.23 × 42,507.03
  4. Step 4: Simplify right side
    126,753.34x = 8,081,616,348.34
  5. Step 5: Solve for x
    x = 8,081,616,348.34/126,753.34
  6. Step 6: Final answer
    x = 63,758.61

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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.