Home / 194,554.85-268,440.01-118,072.16

Finding the Fourth Proportional to 194,554.85, 268,440.01 and 118,072.16

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Solution

The fourth proportional to 194,554.85, 268,440.01 and 118,072.16 is: 162,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,554.85 : 268,440.01 = 118,072.16 : x
  2. Step 2: Convert to fraction form
    194,554.85/268,440.01 = 118,072.16/x
  3. Step 3: Cross multiply
    194,554.85x = 268,440.01 × 118,072.16
  4. Step 4: Simplify right side
    194,554.85x = 31,695,291,811.12
  5. Step 5: Solve for x
    x = 31,695,291,811.12/194,554.85
  6. Step 6: Final answer
    x = 162,911.86

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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.