Home / 194,955.29-292,307.76-81,181.86

Finding the Fourth Proportional to 194,955.29, 292,307.76 and 81,181.86

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Solution

The fourth proportional to 194,955.29, 292,307.76 and 81,181.86 is: 121,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,955.29 : 292,307.76 = 81,181.86 : x
  2. Step 2: Convert to fraction form
    194,955.29/292,307.76 = 81,181.86/x
  3. Step 3: Cross multiply
    194,955.29x = 292,307.76 × 81,181.86
  4. Step 4: Simplify right side
    194,955.29x = 23,730,087,649.23
  5. Step 5: Solve for x
    x = 23,730,087,649.23/194,955.29
  6. Step 6: Final answer
    x = 121,720.67

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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.