Home / 327,986.10-492,094.35-117,630.90

Finding the Fourth Proportional to 327,986.10, 492,094.35 and 117,630.90

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Solution

The fourth proportional to 327,986.10, 492,094.35 and 117,630.90 is: 176,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,986.10 : 492,094.35 = 117,630.90 : x
  2. Step 2: Convert to fraction form
    327,986.10/492,094.35 = 117,630.90/x
  3. Step 3: Cross multiply
    327,986.10x = 492,094.35 × 117,630.90
  4. Step 4: Simplify right side
    327,986.10x = 57,885,501,275.42
  5. Step 5: Solve for x
    x = 57,885,501,275.42/327,986.10
  6. Step 6: Final answer
    x = 176,487.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.