Home / 203,122.89-280,307.64-117,050.25

Finding the Fourth Proportional to 203,122.89, 280,307.64 and 117,050.25

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Solution

The fourth proportional to 203,122.89, 280,307.64 and 117,050.25 is: 161,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,122.89 : 280,307.64 = 117,050.25 : x
  2. Step 2: Convert to fraction form
    203,122.89/280,307.64 = 117,050.25/x
  3. Step 3: Cross multiply
    203,122.89x = 280,307.64 × 117,050.25
  4. Step 4: Simplify right side
    203,122.89x = 32,810,079,338.91
  5. Step 5: Solve for x
    x = 32,810,079,338.91/203,122.89
  6. Step 6: Final answer
    x = 161,528.22

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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.