Home / 203,599.54-281,001.09-112,984.61

Finding the Fourth Proportional to 203,599.54, 281,001.09 and 112,984.61

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Solution

The fourth proportional to 203,599.54, 281,001.09 and 112,984.61 is: 155,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,599.54 : 281,001.09 = 112,984.61 : x
  2. Step 2: Convert to fraction form
    203,599.54/281,001.09 = 112,984.61/x
  3. Step 3: Cross multiply
    203,599.54x = 281,001.09 × 112,984.61
  4. Step 4: Simplify right side
    203,599.54x = 31,748,798,563.22
  5. Step 5: Solve for x
    x = 31,748,798,563.22/203,599.54
  6. Step 6: Final answer
    x = 155,937.48

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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.