Home / 203,630.07-281,005.19-112,984.08

Finding the Fourth Proportional to 203,630.07, 281,005.19 and 112,984.08

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Solution

The fourth proportional to 203,630.07, 281,005.19 and 112,984.08 is: 155,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,630.07 : 281,005.19 = 112,984.08 : x
  2. Step 2: Convert to fraction form
    203,630.07/281,005.19 = 112,984.08/x
  3. Step 3: Cross multiply
    203,630.07x = 281,005.19 × 112,984.08
  4. Step 4: Simplify right side
    203,630.07x = 31,749,112,302.45
  5. Step 5: Solve for x
    x = 31,749,112,302.45/203,630.07
  6. Step 6: Final answer
    x = 155,915.64

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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.