Home / 203,693.17-281,130.38-118,810.26

Finding the Fourth Proportional to 203,693.17, 281,130.38 and 118,810.26

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Solution

The fourth proportional to 203,693.17, 281,130.38 and 118,810.26 is: 163,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,693.17 : 281,130.38 = 118,810.26 : x
  2. Step 2: Convert to fraction form
    203,693.17/281,130.38 = 118,810.26/x
  3. Step 3: Cross multiply
    203,693.17x = 281,130.38 × 118,810.26
  4. Step 4: Simplify right side
    203,693.17x = 33,401,173,541.70
  5. Step 5: Solve for x
    x = 33,401,173,541.70/203,693.17
  6. Step 6: Final answer
    x = 163,977.88

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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.