Home / 272,120.36-375,530.60-149,617.92

Finding the Fourth Proportional to 272,120.36, 375,530.60 and 149,617.92

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Solution

The fourth proportional to 272,120.36, 375,530.60 and 149,617.92 is: 206,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,120.36 : 375,530.60 = 149,617.92 : x
  2. Step 2: Convert to fraction form
    272,120.36/375,530.60 = 149,617.92/x
  3. Step 3: Cross multiply
    272,120.36x = 375,530.60 × 149,617.92
  4. Step 4: Simplify right side
    272,120.36x = 56,186,106,520.26
  5. Step 5: Solve for x
    x = 56,186,106,520.26/272,120.36
  6. Step 6: Final answer
    x = 206,475.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.