Home / 118,209.74-177,301.46-42,305.22

Finding the Fourth Proportional to 118,209.74, 177,301.46 and 42,305.22

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Solution

The fourth proportional to 118,209.74, 177,301.46 and 42,305.22 is: 63,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209.74 : 177,301.46 = 42,305.22 : x
  2. Step 2: Convert to fraction form
    118,209.74/177,301.46 = 42,305.22/x
  3. Step 3: Cross multiply
    118,209.74x = 177,301.46 × 42,305.22
  4. Step 4: Simplify right side
    118,209.74x = 7,500,777,271.62
  5. Step 5: Solve for x
    x = 7,500,777,271.62/118,209.74
  6. Step 6: Final answer
    x = 63,453.12

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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.