Home / 203,156.91-280,287.54-117,113.13

Finding the Fourth Proportional to 203,156.91, 280,287.54 and 117,113.13

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Solution

The fourth proportional to 203,156.91, 280,287.54 and 117,113.13 is: 161,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,156.91 : 280,287.54 = 117,113.13 : x
  2. Step 2: Convert to fraction form
    203,156.91/280,287.54 = 117,113.13/x
  3. Step 3: Cross multiply
    203,156.91x = 280,287.54 × 117,113.13
  4. Step 4: Simplify right side
    203,156.91x = 32,825,351,109.40
  5. Step 5: Solve for x
    x = 32,825,351,109.40/203,156.91
  6. Step 6: Final answer
    x = 161,576.35

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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.