Home / 203,956.36-281,457.93-113,312.50

Finding the Fourth Proportional to 203,956.36, 281,457.93 and 113,312.50

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Solution

The fourth proportional to 203,956.36, 281,457.93 and 113,312.50 is: 156,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,956.36 : 281,457.93 = 113,312.50 : x
  2. Step 2: Convert to fraction form
    203,956.36/281,457.93 = 113,312.50/x
  3. Step 3: Cross multiply
    203,956.36x = 281,457.93 × 113,312.50
  4. Step 4: Simplify right side
    203,956.36x = 31,892,701,693.13
  5. Step 5: Solve for x
    x = 31,892,701,693.13/203,956.36
  6. Step 6: Final answer
    x = 156,370.22

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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.