Home / 118,338.30-162,892.53-103,204.26

Finding the Fourth Proportional to 118,338.30, 162,892.53 and 103,204.26

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Solution

The fourth proportional to 118,338.30, 162,892.53 and 103,204.26 is: 142,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,338.30 : 162,892.53 = 103,204.26 : x
  2. Step 2: Convert to fraction form
    118,338.30/162,892.53 = 103,204.26/x
  3. Step 3: Cross multiply
    118,338.30x = 162,892.53 × 103,204.26
  4. Step 4: Simplify right side
    118,338.30x = 16,811,203,018.18
  5. Step 5: Solve for x
    x = 16,811,203,018.18/118,338.30
  6. Step 6: Final answer
    x = 142,060.54

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1.5x scale

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.